lesson 10 2 algebraic representations of dilations

lesson 10 2 algebraic representations of dilations B: Rotate the square 180 around the origin. Image perimeter: 32, Explanation: y = -2x + 6 b. Original perimeter: _________ Describe two transformations that will do this. The blueprint is the preimage and the house is the dilated image. In the given expression, we can notice that the x coordinate is multiplied with 0.5 and that the y-coordinate is multiplied with 1.5. a. 10.2 Independent Practice - Algebraic Representations of Dilations - Page No. The ratio of the lengths of the corresponding sides of triangle ABC and triangle ABC equals _______. lesson 10 2 algebraic representations of dilations (-7, -4) Two triangles, Triangle 1 and Triangle 2, are similar. Type below: So, to have the best online maths practice, follow the questions, answers, and explanations available on Go Math Grade 8 Answer Key Chapter 10 Transformations and Similarity. lesson 10 2 algebraic representations of dilations 10.2 Algebraic Representation of Dilation - YouTube 8th grade go math 8th grade go math AboutPressCopyrightContact usCreatorsAdvertiseDevelopersTermsPrivacyPolicy & SafetyHow YouTube. _____________, Answer: What is the effect of a negative scale factor? a. . (1, -1). ______ units, Question 6. C'((3. ratio of x-coordinates = ____________ Each coordinate of Triangle UVW is 3/4 times the corresponding coordinate of Triangle UVW. 8cm 40 = 320cm Scale factor: 2 (x, y) -> (1.5x, 1.5y) c. a = 5 b. Transformations (including Dilations): 16.1 And 16.2 - Quizlet. b. Dilation is defined as a transformation that changes the size of a figure. Type below: (2, 2) AB/AB = 6/2 = 3 Answer: Options: _____________, Answer: Your service title Give us a brief description of the service that you are promoting. x = 2 . ________. Options: Describe the transformations that will transform the image back into the original figure. Justify Reasoning The graph of the line y = x is dilated by a scale factor of 3 and then translated up 5 units. perimeter of the image = 12 + 12 + 12 + 12 = 48, Question 20. endstream endobj 136 0 obj <>stream _____________, Explanation: Graph the image of each figure after a dilation with the origin as its center and the given scale factor. 90 clockwise rotation, Question 12. C'(12, -9), Explanation: Type below: Critique Reasoning The set for a school play needs a replica of a historic building painted on a backdrop that is 20 feet long and 16 feet high. Options: Scale factor: _________ _____________, Explanation: The position of the sketch from 12A will be 1/2 unit above the sketch obtained when the translation occurs first. ________. The stage crewmembers calculation is incorrect. To calculate the verticies of the image after dilation, we will use following rule: Explain. AB/AB = 2/4 = 1/2 )ABC Perform a dilation on the coordinate plane. Properties of Dilations Lesson Check Page No. Answer: Two triangles, Triangle 1 and Triangle 2, are similar. Notes. A dilation of the square has vertices at (4, 4), (4, 4), (4, 4), and (4, 4). 0 = 3x 1 (x, y) (2.5x, 2.5y) 10.2 Algebraic Representations of Dilations - Quizizz What is the length of a side of the image? lesson 10 2 algebraic representations of dilations Communicate Mathematical Ideas Explain what each of these algebraic transformations does to a figure. 332, Go Math Grade 5 Answer Key Pdf | Go Math 5th Grade Answer Key Pdf, McGraw Hill Math Grade 8 Lesson 21.4 Answer Key Symmetry and Transformations, McGraw Hill Math Grade 8 Lesson 21.3 Answer Key Circles, McGraw Hill Math Grade 8 Lesson 21.2 Answer Key Polygons, McGraw Hill Math Grade 8 Lesson 21.1 Answer Key Quadrilaterals, McGraw Hill Math Grade 8 Lesson 20.3 Answer Key Right Triangles and Pythagorean Theorem, McGraw Hill Math Grade 8 Lesson 18.2 Answer Key Line Segments and Rays, McGraw Hill Math Grade 8 Lesson 20.2 Answer Key Triangles: Congruent and Similar, McGraw Hill Math Grade 8 Lesson 20.1 Answer Key Triangles: Acute, Right, Obtuse, Equilateral, Isosceles, and Scalene, McGraw Hill Math Grade 8 Lesson 2.2 Answer Key Problem Solving, McGraw Hill Math Grade 8 Lesson 2.1 Answer Key Multiplying and Dividing Whole Numbers. MN = \(\sqrt{9}\) _____________, Answer: _____________. _____________. Write the coordinates of the vertices of the preimage in the first column of the table. (-1, -1) _____________, Answer: B (7.5, 3) Multiply each coordinate of the vertices of ABC by 2 to find the vertices of the dilated image A'B'C'. (x, y) -> (x, -y); (x, y) -> (3x, 3y), Question 4. 0 = -2x + 6 Green square -> (x, y) -> (2x, 2y) Firstly, we will write the coordinates of the vertices of the preimage. ALGEBRAIC REPRESENTATIONS OF DILATIONS When a dilation in the coordinate plane has the origin as the center of dilation, we can find points on the dilated image by multiplying the x and y coordinates of the original figure by the scale factor. coordinates for A b. Type below: Scale factor: 2 You will have an extra practice for every lesson in the IM math program. _____________, Answer: Options: (-2.5, 2.5) 325. But before this, let us soLve first the length of one side of the dilated image and the corresponding length of the originaL image using the distance formula area = l.w = 2 . Type below: Type below: horizontally shrinks by a factor of 2/3, Question 12. Answer: Lesson 16 - Combining Dilations (Notes, Key) 10. e. (x, y) (0.5x, 1.5y) June 5, 2022 Posted by: Category: Uncategorized The Go Math Grade 8 Solution Key Chapter 10 Transformations and Similarity help the students to enhance their math skills. ratio of x-coordinates = -2/-1 = 2 figure D ________ inches The triangle ABC shown on the grid is the pre-image. Algebraic Representations Of Dialations Worksheets - total of 8 printable worksheets available for this concept. figure C endstream endobj 134 0 obj <>stream Learning is not only important but understanding the concepts is also important for the students to enhance their skills. Classify each as such and justify your reasoning. Quadrilateral DEFG has sides measuring 16 m, 28 m, 24 m, and 20 m. Quadrilateral DEFG has sides measuring 20 m, 35 m, 30 m, and 25 m. _____________, Answer: d. The shorter leg of the drawing is currently on the left. Algebraic Representations of Dilations You dilate a figure using the origin as the center of dilation. y = -2x + 6 Communicate Mathematical Ideas Explain what each of these algebraic transformations does to a figure. (x, y) (2x, 2y) The drawing has sides measuring 6 cm, 8 cm, and 10 cm, and angles measuring 37, 53, and 90. Filled table is shown in the picture below. S'(8.75, 6.25), Algebraic Representation Of Dialation - Lesson Worksheets Scale factor: 2 Communicate Mathematical Ideas Triangle ABC has coordinates A(1, 5), B(-2, 1), and C(-2, 4). # $ % &. (x, y) -> (x+6, y-3) lesson 10 2 algebraic representations of dilationsppl center view from my seatppl center view from my seat When k is between 0 and 1, the dilation is a reduction by the scale factor k. The figure is dilated by a scale factor of 5 and rotated 90 clockwise. Which represents the dilation shown where the black figure is the preimage? Determine whether the given representation is representative of a linear, exponential, or quadratic function. a. (0, 1) _____________, Explanation: HMH Into Math Grade 8 Module 2 Lesson 2 Answer Key Explore Dilations. (0, -4) d. What are the perimeter and area of the image? Properties of Dilations Lesson Check Page No. Then apply the dilation (x, y) (\(\frac{3}{2}\)x, \(\frac{3}{2}\)y) and write the coordinates of the vertices of the image in the second column. _____________, Explanation: What are the vertices of the dilated image? 10.2 Algebraic Representation of Dilation - YouTube MNOP has vertices at M(4.5, 6), N(9, 6), O(9, 10.5), and P(4.5, 10.5). Rotate the drawing 180 around the origin. algebraic rule of the dilation: (x, y) -> (1/4x, 1/4y), Question 11. -a + 7 = 2a 8 Let x and y be the coordinates of the original image When a dilation n the coordinate plane has the origin as the center of dilation, you can find points on the dilated image by multiplying the x- and y-coordinates of the original figure by the scale factor k, that is (x, y) -> (x+3, y+5), Question 5. lesson 10 2 algebraic representations of dilations Describe what happens to a figure when the given sequence of transformations is applied to it: (x, y) (-x, y); (x, y) (0.5x, 0.5y); (x, y) (x 2, y + 2) (-1, 1) ! " Explanation A: coordinates for B scale factor of \(\frac{1}{3}\) 8th grade. (x, y) -> (-x, y), Question 11. _____________, Answer: c. a = 5 How can you find the scale factor of a dilation? The figure is reflected across the y-axis and dilated by a scale factor of 4. lesson 10 2 algebraic representations of dilations (x, y) (\(\frac{2}{3}\)x, y) Now, to return the dilated image to preimage having the coordinates of (kx, ky), dilate it by a scale factor \(\frac{1}{k}\), as shown below. The center of dilation is the origin and (x, y) (3x, 3y). G(5, 2) G'(5 1.5, 2 1.5) G'(7.5, 3) (2) Type below: (0, -4) List the coordinates of the vertices of the preimage in the first column of the table. Graph the dilation. Answer: (x, y) -> (x, -y) height: |QT| = |6.25 2.5| = 3.75 inch The arrow shown is the preimage. Problem 1 What are the characteristics of an enlargement? (1, -1). 23 times. (5, 5) I know that triangle ABC is a dilation of triangle ABC because the ratios of the corresponding x-coordinates are equal and the ratios of the corresponding y-coordinates are equal. Find the angle measures of the actual sign. A dilation can produce a larger figure or an enlargement or a smaller figure or a reduction. Question 7. C = (-2, -4), C = (-1, -2); Rotate the image 90 counterclockwise and dilate it by a factor of 1/5. _____________. endstream endobj 132 0 obj <>stream Therefore, MNPQ is not a dilation of MNPQ, Question 8. Answer: )X}Dh=64z!vv 8 Answer: c. a reflection across the y-axis Quadrilateral MNPQ has side lengths of 5 mm, 8 mm, 7 mm, and 4 mm. (-2, -2) ratio of x-coordinates = _______ 2/3x = 2 A stage crewmember writes (x, y) (\(\frac{1}{12}\)x, \(\frac{1}{12}\)y) to represent the dilation. _____________, Answer: Image perimeter: 48, Explanation: Scale factor: ________, Question 9. A: (x, y) (-x, y) C(3, 9) C'(3 \(\frac{1}{3}\), 9 \(\frac{1}{3}\)) C'(1, 3) (3) perimeter of the original square = 4 + 4 + 4 + 4 = 16 ADDITIONAL EXAMPLE 1. Triangle XYZ has angles measuring 54 and 29. Perimeter = 32 units Question 16. a. _____________, Answer: (2, -2) Scale factor = 2 Sketch triangle ABC and ABC for the dilation (x, y) (-2x, 2y). A'(-\(\frac{1}{2}\), 1) , B'(\(\frac{1}{2}\), 1) C'(0, -1). I know that triangle ABC is a dilation of triangle ABC because the ratios of the corresponding x-coordinates are equal and the ratios of the corresponding y-coordinates are equal. 8.10.C: Description: explain the effect of translations, reflections over the x- or y-axis, and rotations limited to 90, 180, 270, and 360 as applied to two-dimensional shapes on a coordinate plane using an algebraic representation; and . d. y = 3x 1, Explanation: Then write an algebraic rule to describe the dilation. Triangle XYZ has angles measuring 29 and 92. Type below: (-2, 0) 15/5 = 3 mm (x, y) -> (1.5x, 1.5y) Options: ______ units, Question 6. Type below: _____________, Answer: Date Class LESSON Algebraic Representations of Dilations Reteach You dilate a figure using the origin as the center of . D. Sketch the image after the dilation on the coordinate grid. Answer: If two figures are similar but not congruent, what do you know about the sequence of transformations used to create one from the other? (-2, 0) Explanation: k = \(\frac{M^{\prime} N^{\prime}}{M N}\) Type below: No; the dilation is not the same reversed, Explanation: Therefore, MNPQ is not a dilation of MNPQ, Question 8. Worksheets are Middle school math series course 2, Chapter 7, Algebraic representations of dilations, Algebraic representations of dilations, Conjectures. y = 2/3 . (4, 0) (-4, 3) C(-2, 4) C'( 2 (- 2), 2 4) C'(4, -8) . a year ago. B (7.5, 3) Type below: (show solution) FOCUS ON HIGHER ORDER THINKING Question 11 (request help) c. (12, 8), (4, 8), (12, 4), (4, 4) G (7.5, 3) The center of dilation is the origin. Perimeter = 2l + 2w = 2(2) + 2(2) = 8 a = 15/3 By, definition of a dilation in which it can only be enlarged or reduced with respect to the scale factor k between 0 and 1 or greater than 1, respectively, if the scale factor in the dilation is equal to 1, then the image would be the same as the preimage. (3, 8) The blueprint is the preimage and the house is the dilated image. a. What is the length of a side of the image? (x, y) -> (-x, y); (x, y) -> (3x, 3y) What are the coordinates of the new room? Find the scale factor and the perimeter of each square. a. Question 1. Blueprint dimensions: 6.25 in. Which transformation in part c will accomplish this? A'((3.-15), (3.-12)) -> A'(-15, -12) e. (x, y) (0.5x, 1.5y) (x, y) (y, -x) x 2 b. Dilate the image by a factor of 1/4 and reflect it back across the y-axis. (1, -1) The triangles have only one pair of congruent angles, Question 2. properties of dilations lesson 10-1 answer key, algebraic representations of dilations lesson 10-2 answers, lesson 17-1 dilations answers, lesson 17-1 practice dilations answers, lesson 10.1 properties of dilations answer key, lesson 11.1 dilations answer key, lesson 4 dilations answer key, lesson 11-1 dilations reteach answers, lesson 17-1 dilations answers page 247, lesson 13.1 properties of . Find the scale factor and the perimeter of each square. The blue square is the preimage. (x, y) -> (1/5x, 1/5y), Question 10. each side of the second figure is 1.25 times the corresponding side of the original figure. lesson 10 2 algebraic representations of dilations letter of the transformation applied. T'(2.5, 6.25), Question 9. Question 4. Let us determine the dilation than can be applied to the image to return it to the original preimage. A(0, 2) A'(0, 4) After dilation Type below: Question 16. ratio of x-coordinates = 4/2 = 2 I Can identify and perform dilations given a scale factor and center of dilation, perform a dilation on a coordinate plane, and identify an algebraic rule for the dilation. c. (x, y) -> (x, -y); (x, y) -> (3x, y) F(2, 2) F'(2 1.5, 2 1.5) F'(3, 3) .. (1) coordinates for A 10cm 40 = 400cm (x, y) (-x, -y) What is the algebraic representation of this dilation? _____________, Answer: Worksheets are Lodwlrqv3udfwlfh, Do not edit changes must be made through file info, Correctionkeyb transformations and similarity module 10, Graph the image of the figure using the transformation, Pre algebra, Lesson algebraic representations of transformations 9 4, Translations of shapes, Trainerinstructor notes . _____________, Explanation: Communicate Mathematical Ideas Triangle ABC has coordinates A(1, 5), B(-2, 1), and C(-2, 4). Type below: Multiples of Eleven Educational Resources K12 Learning, Arithmetic (x, y) (kx, ky) The grid shows a diamond-shaped preimage. y = 3x 1 (-4, -2) k = \(\frac{2}{3}\), Next, Let us represent the dilation algebraically, using _____________, Answer: T'(2.5, 6.25), Question 9. _____________, Answer: Play the following video lesson for your class: Dilation in Math: Definition & Meaning. Answer: _____________, Answer: (4, 0) Question 7. Chapter 10:Transformations and Similarity; Lesson 2: Algebraic Representations of Dilations Please share this page with your friends on FaceBook Question 10 (request help) Write the algebraic representation of the dilation shown. perimeter of the original square = 6 + 6 + 6 + 6 = 24 13.2LESSON Algebraic Representations of Dilations Preimage (x, y) Image (3x, 3y) (2, 2) (6, 6) Math Talk Mathematical Processes Proportionality 8.3.C Use an algebraic representation to explain the effect of a given positive rational scale factor applied to two-dimensional figures on a coordinate plane with the origin as the center of . 1. 332, Big Ideas Math Answers Grade 7 Accelerated, Bridges in Mathematics Grade 4 Home Connections Unit 5 Module 1 Answer Key, Bridges in Mathematics Grade 4 Home Connections Unit 5 Module 2 Answer Key, Bridges in Mathematics Grade 4 Home Connections Unit 5 Module 3 Answer Key, Bridges in Mathematics Grade 4 Home Connections Unit 5 Module 4 Answer Key, Bridges in Mathematics Grade 4 Home Connections Unit 3 Module 4 Answer Key, Bridges in Mathematics Grade 4 Home Connections Unit 3 Module 3 Answer Key, Bridges in Mathematics Grade 4 Home Connections Unit 3 Module 1 Answer Key, Bridges in Mathematics Grade 4 Home Connections Unit 3 Module 2 Answer Key, Bridges in Mathematics Grade 2 Home Connections Unit 5 Module 4 Answer Key, Bridges in Mathematics Grade 2 Home Connections Unit 5 Module 3 Answer Key, Bridges in Mathematics Grade 2 Home Connections Unit 5 Module 2 Answer Key. Then apply the dilation (x, y) (\(\frac{3}{2}\)x, \(\frac{3}{2}\)y) and write the coordinates of the vertices of the image in the second column. _____________, Question 9. The business owner would like it on the top. (-3, -4) a year ago. x + 1 7. endstream endobj 135 0 obj <>stream What are the vertices of the image? Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. 0 = 3x 1 2 bedroom house for rent in evanston, il lesson 10 2 algebraic representations of dilations. The figure is dilated by a scale factor of 0.5 and translated 6 units left and 3 units up. (-2, 2) Critical Thinking A triangle has vertices A(-5, -4), B(2, 6), and C(4, -3). _____________. Type below: (-6, -2) (x, y) (y, -x) _____________. Question 9. d. (15, 10), (5, 10), (15, 5), (5, 5), Answer: _____________, Answer: 90 clockwise rotation, Question 12. The solution for this requires that you take the fifth root of both sides. 4. area = l.w = 8 .8 = 64, Question 6. 21.2 Angle Theorems for Triangles. All the explanations are given by the best maths experts. 'LODWLRQV3UDFWLFH 6. _____________. When a dilation in the coordinate plane has the origin as the center of dilation, we can find points on the dilated image by multiplying the x and y coordinates of the original figure by the scale factor. Original perimeter: _________ _____________, Explanation: Type below: b. Answer: Answer: -4/-2 =2; 4/2 = 2 Question 3. Algebraic Representations Of Dialations - Lesson Worksheets One inch on the blueprint represents 1 48 feet = 48 \(\frac{1}{12}\) inch = 4 inch, c. Write the algebraic representation of the dilation from the blueprint to the house. x 2 (x, y) -> (2.5x, 2.5y), Question 3. Try keep it short so that it is easy for people to scan your page. b. For 711, tell whether one figure is a dilation of the other or not. Question 2. translation 2 units left and 2 units up, Question 6. Image perimeter: _________, Answer: So, to learn maths in the best way, you must refer to Go Math Grade 8 Answer Key. Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. _____________, Answer: The corresponding angles of triangle ABC and triangle ABC are congruent. Type below: LESSON 10-2 . ratio of x-coordinates = 2 _____________, Answer: Scale factor: _________ Type below: Is the crewmembers calculation correct if the painted replica is to cover the entire backdrop? (-7, -4) Question 2. _____________, Answer: Apply each transformation to the image of the previous transformation. (-5, 0) Scale factor = 2 ________ feet, Question 9. and find the ratio of heigh: \(\frac{16}{320}\) = \(\frac{1}{20}\) Blueprint dimensions: 6.25 in. _____________, Answer: rotate 90counterclockwise, Question 4. (-2, 0) Scale factor of 1.5 _____________, Answer: _____________, Explanation: In the given expression, we can notice that the y coordinate is multiplied with 2 Considering the fact that the x coordinate stayed the same and the fact that the y coordinate is multiplied with a number bigger then 1, we can conclude that given figure is vertically streched. Be the first person to grab Go Math Grade 8 Answer Key Chapter 10 Transformations and Similarity to score good marks in the exam. Triangle XYZ has angles measuring 29 and 92. Worksheets are Algebraic representations of dilations, Correctionkeyb transformations and similarity module 10, Lesson algebraic representations of transformations 9 4, Do not edit changes must be made through file info, Pre algebra, Graph the image of the figure using the transformation, Ixl skill alignment, Unit . Which equation does not represent a line with an x-intercept of 3? a. (-2, 0) How can you describe the effect of a dilation on coordinates using an algebraic representation?. Lets find the ratio of length \(\frac{20}{400}\) = \(\frac{1}{20}\) b. a translation down 3 units If you draw a line connecting each pair of corresponding vertices, the lines will intersect at the center of dilation, Question 20. (Example 1). Type below: _____________, Answer: Perimeter = ________ units Dilation is a process of changing the size of an object while the object remains in the same Shape. algebraic rule: (x, y) -> (1/3x, 1/3y), Question 4.