Back to top

lesson 10 2 algebraic representations of dilations

)X}Dh=64z!vv 8 The scale factor is the number that describes the change in size in a dilation Make sure that students bubble in their answers for the front page (#1-7) and the back page (#8-14). The figure is dilated by a scale factor of 5 and rotated 90 clockwise. The coordinates of the vertices of the original image are multiplied by 2 for the green square. If you draw a line connecting each pair of corresponding vertices, the lines will intersect at the center of dilation, Question 20. Q'(2.5, 2.5), Translate the image 3 units down and 6 units right and dilate it by a factor of 2 For enlargements, k > 1. Original perimeter: _________ a. a dilation by a scale factor of 4 b. a = \(\frac{1}{3}\) 0 = 2/3 . perimeter of the image = 8 + 8 + 8 + 8 = 32, Question 20. Problem 2 : The triangle ABC shown on the grid is the pre-image. (x, y) -> (x, y+6) What are the coordinates of the vertices of the image after a dilation with the origin as its center and a scale factor of 1.5? 2/3x = 2 Reflection over x-axis (x, y) -> (x, -y) a. Image perimeter: _________, Answer: Draw Conclusions A figure undergoes a sequence of transformations that include dilations. Determine whether one figure is a dilation of the other. _____________, Answer: The corresponding angles of triangle ABC and triangle ABC are _______. . x = 1/3, Question 6. What is the scale factor in terms of inches to inches? (-4, 3) Image perimeter: _________, Answer: Scale factor of 1.5 _____________. $JTdDP~~@ x Area = 4 square units, Explanation: Type below: 2. The figures are similar is they are the same shape but different size SO one is a dilation of the other, Question 11. A'(-\(\frac{1}{2}\), 1) , B'(\(\frac{1}{2}\), 1) C'(0, -1). Answer: (-1, -1) Depending on the scale factor, dilation may increase or decrease the starting object. What are the coordinates? The vertices of the dilated image are F'(3.5, 3.5), G'(7.5, 3.5), H'(7.5, 6) and I'(, 9). 325. (2, -2) Transformations (including Dilations): 16.1 And 16.2 - Quizlet. (9, 6), (3, 6), (9, 3), (3, 3) How many feet? d. (15, 10), (5, 10), (15, 5), (5, 5), Answer: Type below: (x, y) -> (1/5x, 1/5y), Question 10. The figure is dilated by a factor of 2, but the orientation of the figure in the coordinate plane is rotated 180, Question 1. What dilation can you apply to the image to return it to the original preimage? (x, y) -> (1/5x, 1/5y), Question 10. Original perimeter: _________ f& https://www.emathinstruction.com . h2U0P62 24Ey%!E The homeowner wants this room to be 25% larger. (x, y) -> (x, -y); (x, y) -> (3x, 3y), Question 4. Perimeter = ________ units Algebraic Representations Of Dialations Worksheets - total of 8 printable worksheets available for this concept. c. Write the algebraic representation of the dilation from the blueprint to the house. Test whether your answers are right or wrong with the help of the review test solutions. b. LESSON 10-2 Practice and Problem Solving: A/B 1. Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. (-2, 0) The center of dilation is the origin. d. y = 3x 1, Explanation: The grid shows a diamond-shaped preimage. R'(8.75, 2.5), (5, 5) The blue square ABCD is the preimage. The blue square is the preimage. In this unit we review the basic concept of a function and emphasize multiple representations of these foundational tools. (0, -3) Type below: The students can easily learn maths with the Go Math Grade 8 Solution Key. Question 16. (x, y) (y, -x) (-4, 4) (-2, 0) Is the crewmembers calculation correct if the painted replica is to cover the entire backdrop? The vertices of the dilated image are A'(1, 1), B'(3, 1), and C'(1, 3). Considering the fact that the y coordinate stayed the same and the fact that x coordinate is multiplied with a number smaller then 1, we can conclude that given figure is horizontally shrinked. 10/4 = 2.5 ratio of y-coordinates = _______ Scale factor: 2 _____________, Answer: Graph the image of the figure using the transformation given. Describe how the graph of y = x shown at the right is changed through each of the following transformations. 8cm 40 = 320cm ________. ratio of y-coordinates = _______ Answer: y = 3x 1 G(5, 2) G'(5 1.5, 2 1.5) G'(7.5, 3) (2) C: (x, y) (x 5, y 6) c. a = 5 c. (x, y) -> (3x, 3y) 23 times. Multistep As with geometric figures, graphs can be transformed through translations, reflections, rotations, and dilations. (-2.5, 2.5) d. What are the perimeter and area of the image? 2x = 6 y = -2x + 6 What are the coordinates of the vertices of the image after a dilation with the origin as its center and a scale factor of 1.5? Find the angle measures of the actual sign. ratio of x-coordinates = 2 When k is greater than 1, the dilation is an enlargement by the scale factor k. Question 5. Yes; Quadrilateral DEFG is a dilation of quadrilateral DEFG. _____________, Answer: 18/4 = 4.5 mm The algebric dilation is (x, y) (48x, 48y). Identify a sequence of two transformations that will transform figure A into the given figure. _____________, Explanation: a. Type below: The backdrop scale factor is 1/20, not 1/12, Question 12. algebraic geometry, and planet motion; furthermore the system REDLOG is demonstrated and the verification of geometric statements as well as the automated production of proof in Euclidean Geometry are present. Painted replica is 20 feet long and 16 feet high The actual building measures 400 feet long and 320 feet high. Graph the dilation. (x, y) -> (-x, y), Question 11. (-2, -2), Question 12. Answer: _____________, Answer: 1. 3a = 15 (4, 0) _____________, Explanation: A: (x, y) (-x, y) Let us determine the dilation than can be applied to the image to return it to the original preimage. Examples, solutions, videos, worksheets, games, and activities to help geometry students learn. 3/2 Question 1. The image is congruent to the original figure. C'(12, -9), Explanation: Date Class LESSON Algebraic Representations of Dilations Reteach You dilate a figure using the origin as the center of . Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. Answer: The lengths are 240 cm, 320 cm, and 400 cm, Question 6. (-4, 2) velvet carpet for bedroom. x + 1 Answer: and the ratio of the y-coordinates of corresponding points Type below: 0. Purple square -> (x, y) -> (1/2x, 1/2y), Question 6. When k is greater than 1, the dilation is an enlargement by the scale factor k. Question 5. c. a = 5 One inch on the blueprint represents how many inches in the actual house? (x, y) -> (1/4x, 1/4y) x = 2 . Answer: (2, 2) Critical Thinking A dilation with center (0,0) and scale factor k is applied to a polygon. This will be followed by the. (x, y) -> (x+6, y-3) Write two algebraic representations, one for the dilation to the green square and one for the dilation to the purple square. (2, -1) ratio of y-coordinates = 4/2 = 2 H (7.5, 6) coordinates for A figure D Question 3. (-2, -2) Many students have loved the way of explanation given on Go Math Grade 8 Answer Key on our website. Question 4. (-2, 2) 2 Perrino 2011-11-28 The Practice of Perioperative Transesophageal Echocardiography provides over 100 teaching cases ranging from the most common to the most challenging. (-2, 1) For scale factor k, the algebraic representation of the dilation is (x, y) (kx, ky). (-2, 2) 24/8 = 3 mm Describe how the graph of y = x shown at the right is changed through each of the following transformations. The triangles have only one pair of congruent angles, Question 2. What are the coordinates of the new room? k = \(\frac{3}{4.5}\) Type below: 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. e. (x, y) (0.5x, 1.5y) (x, y) -> (x, -y) LJKG i 80`- wMK0,7 {1L`j7 Fi@W_w ~H; po0]uWuvGG]nB\9LgxG:1~}_ G Answer: Worksheets are Middle school math series course 2, Chapter 7, Algebraic representations of dilations, Algebraic representations of dilations, Conjectures. b. y = \(\frac{1}{3}\)x + 1 Orientation of the figure in the coordinate plane is rotated 180. The blueprints are plotted on a coordinate plane. -4/-2 =2; 4/2 = 2 (0, -4) Question 1. (-5, 0) Critical Thinking A triangle has vertices A(-5, -4), B(2, 6), and C(4, -3). Justify Reasoning The graph of the line y = x is dilated by a scale factor of 3 and then translated up 5 units. ratio of x-coordinates = 2 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. x = 3 Question 16. Filled table is shown in the picture below. The business owner wants it to remain on the left after the hypotenuse goes to the top. algebraic rule of the dilation: (x, y) -> (1/4x, 1/4y), Question 11. _____________, Explanation: Page 338: Performance Tasks. Communicate Mathematical Ideas Explain what each of these algebraic transformations does to a figure. ratio of y-coordinates = 2, Explanation: endstream endobj 134 0 obj <>stream ratio of y-coordinates = 2, Explanation: A dilation can produce a larger figure (an enlargement) or a smaller figure (a reduction). Question 4. each side of the second figure is 1.25 times the corresponding side of the original figure. (7, 4) lesson 10 2 algebraic representations of dilations. What are the vertices of the dilated image? The actual building measures 400 feet long and 320 feet high. Type below: by cfelg. b. coordinates for A Multiply each coordinate of the vertices of triangle ABC by \(\frac{1}{3}\) to find the vertices of the dilated image. e. What are the dimensions of the new room, in inches, on the blueprint? B: Rotate the square 180 around the origin. ________. c. (12, 8), (4, 8), (12, 4), (4, 4) Type below: Options: C'(12, -9), Explanation: After dilation: scale factor of 1.5 Lesson 16 - Combining Dilations (Notes, Key) 10. A rectangle has vertices (6, 4), (2, 4), (6, 2), and (2, 2). _____________, Explanation: Rectangle FGHI(x, y) (1.5x, 1.5y) (-4, 0), Question 4. Perform a dilation on the coordinate plane. Type below: _____________, Answer: letter of the transformation applied. a year ago. Algebraic Representation Of Dialation | Lesson 2 22 | Cryptic Quiz Page 41 | Count Classify Furniture | Weeky Math Review Q32 | Memo Types | 3 Letter Notation | Math P3 | Inferencing 3 | The Arthritis Menace Reading Answer | R 10 8 | Fragments And Sentences | Nothing Details | Gina Wilson Answer Key | Statistics Grade 1 | Persuasive Language . This standard connects the work done with algebraic functions in grade 8 and Algebra I to geometric functions. c. a reflection across the y-axis Type below: Communicate Mathematical Ideas Explain what each of these algebraic transformations does to a figure. Answer: What is the scale factor in terms of inches to inches? Write the coordinates of the vertices of the preimage in the first column of the table. Mike DeVor. 8th grade. Communicate Mathematical Ideas Triangle ABC has coordinates A(1, 5), B(-2, 1), and C(-2, 4). R'(8.75, 2.5), (x, y) (x, 2y) Question 9. For example, if the scale factor is k, the algebraic representation of the dilation is Purple square -> (x, y) -> (1/2x, 1/2y), Question 6. k = \(\frac{2}{3}\), Next, Let us represent the dilation algebraically, using Apply each transformation to the image of the previous transformation. ________ feet, Question 9. For each pair of corresponding vertices, find the ratio of the x-coordinates and the ratio of the y-coordinates. Then write them algebraically. coordinates for A 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. Mathematics. Type below: The sides are proportional. b. No; one figure is not a dilation of the other, Explanation: Describe two transformations that will do this. (x, y) -> (2.5x, 2.5y), Question 3. 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) Mod20-2Notes. The blueprints are plotted on a coordinate plane. Type below: (x, y) (2.5x, 2.5y) (x, y) (2.5x, 2.5y) Our services run deep and are backed by over ten years of experience. The center of dilation is the origin. b. The arrow shown is the preimage. The figure is dilated by a factor of 2, but the orientation of the figure in the coordinate plane is rotated 180, Question 1. During the video lesson have students: Take notes on the material. Write the algebraic representation of the dilation shown. 4), (3.-3)) -> C'(12, -9), Question 7. Communicate Mathematical Ideas Triangle ABC has coordinates A(1, 5), B(-2, 1), and C(-2, 4). Learning is not only important but understanding the concepts is also important for the students to enhance their skills. Save or instantly send your ready documents. Displaying all worksheets related to - Lesson Algebraic Representation Of Dilations 102. Answer: (-1, 1) Rotate the drawing 180 around the origin. Type below: G7 Math Lesson 10.2 Algebraic Representations of Dilations STUDY Flashcards Learn Write Spell Test PLAY Match Gravity algebraic expression Click card to see definition Click again to see term 1/15 Created by weiennlee TEACHER Terms in this set (15) algebraic expression dilation vertex (plural: vertices) (:vertices) What will the dimensions of the new room be, in feet, in the new house? (3, 2), (1, 2), (3, 1), (1, 1) scale factor of \(\frac{1}{3}\) figure D Answer: (7, 8) (x, y) -> (x, y+6) What is the effect of a negative scale factor? Question 6. 21/7 = 3 mm Type below: Explain. (x, y) (y, -x) coordinates for C The students of 8th standard can easily learn maths with the Go Math Solution Key on ccssmathanswers.com, Lesson 2: Algebraic Representations of Dilations, Question 1. Perimeter = 8 units AB/AB = 6/2 = 3 Apply the indicated sequence of transformations to the square. F (3, 3) (7, 4) d = \(\sqrt{\left(x_{2}-x_{1}\right)^{2}+\left(y_{2}-y_{1}\right)^{2}}\) This is a bundle of all first grade Illustrative Math-Friendly Units 1-8. B = (4, 2), B = (2, 1); Type below: Explain. dilation with a scale factor of 0.5 ABC(x,y) * (x,y. _____________, Question 12. Be the first person to grab Go Math Grade 8 Answer Key Chapter 10 Transformations and Similarity to score good marks in the exam. Type below: original coordinates Title: Microsoft Word - Document1 Author: lausd_user Created Date: 1/26/2015 2:42:29 PM . (-3, -8) (x, y) -> (-x, y); (x, y) -> (x, 3y) Given M(4.5, 6), N(9, 6), 0(9, 10.5), P(4.5, 10.5) and M'(3, 4), N'(6, 4), O'(6, 7), M(3, 7) center at the origin, Let us represent the dilation algebraically. Type below: Type below: (-1, -1), Question 6. _____________, Answer: Type of function: Justification: 10. . _____________. The division process is straightforward. Answer: coordinates for C C (7.5, 6) All the explanations are given by the best online maths experts. (9, 6), (3, 6), (9, 3), (3, 3), Question 2. _____________, Explanation: d. a = 15, Explanation: _____________. Critical Thinking MNOP has vertices at M(3, 4), N(6, 4), O(6, 7), and P(3, 7). ratio of y-coordinates = 4/2 = 2 _____________, Answer: Describe the image of a dilation with a scale factor of 1. _____________. After the sequencing of transformations, reflection over the y-axis. Type below: Quadrilateral MNPQ has side lengths of 15 mm, 24 mm, 21 mm, and 18 mm. (x, y) -> (x, -y); (x, y) -> (3x, 3y), Question 4. What dilation can you apply to the image to return it to the original preimage? x + 1 height: |QT| = |6.25 2.5| = 3.75 inch (-1, 1) Type below: Students can overcome their difficulties with the help of the Go Math Grade 8 Chapter 10 Transformations and Similarity Answer Key. Miultiply each coordinate of the vertices of ABC by 3 to find the vertices of the dilated image. How can you describe the effect of a dilation on coordinates using an algebraic representation?. The backdrop scale factor is 1/20, not 1/12, Question 12. Answer: _____________, Question 9. Question 12. (4, 0) Answer: 10.2 Solving Exponential Equations - Intermediate Algebra. (-4, -2) (1, -1) Draw Conclusions A figure undergoes a sequence of transformations that include dilations. View this Page Math 7 Accelerated - Computech Mathematics https://darthmuster.com/math-7-accelerated/ Transformation and Similarity, 20.1 Properties of Dilations 20.2 Algebraic Representations of Dilations 20.3 Similar Figures. ________. _____________. Question 12. Type below: (Explore Activities 1 and 2) Explain how this can happen. 3a = 15 MNOP has vertices at M(4.5, 6), N(9, 6), O'(9, 10.5), and P'(4.5, 10.5). 320, Algebraic Representations of Dilations Page No. perimeter of the original square = 6 + 6 + 6 + 6 = 24 perimeter of the image = 8 + 8 + 8 + 8 = 32, Question 20. Type below: What will the dimensions of the new room be, in feet, in the new house? coordinates for B Options: The figure shown on the grid is the preimage. a. A(0, 8), B(0, 0), C(10, 0) 3. MN = \(\sqrt{(9-4.5)^{2}+(6-6)^{2}}\) b. A'(-15, -12) Type below: (show solution) Question 6 (request help) Critical Thinking A triangle has vertices A (-5, -4), B (2, 6), and C (4, -3). Communicate Mathematical Ideas Triangle ABC has coordinates A(1, 5), B(-2, 1), and C(-2, 4). (0, -4) Yes; Quadrilateral DEFG is a dilation of quadrilateral DEFG. The stage crewmembers calculation is incorrect. (x, y) (kx, ky) When a dilation in 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. Answer: _____________, Answer: Scale factor: _________ Is the crewmembers calculation correct if the painted replica is to cover the entire backdrop? b. (x, y) (kx, ky) (x, y) -> (-x, y), Question 11. Type below: a. I can describe what happens when two-dimensional figures are transformed using coordinates. The scale factor of the dilation is _______. Explanation: Question 7. Question 2. each side of the second figure is 1.25 times the corresponding side of the original figure. 10 x 10 = 7 x 2 = 10 x 9 = 5 x 8 = 10 x 3 = How did you do? How does the dilation affect angle measures? View this Page a dilation produces an image similar to the original figure, Question 10. b. a translation down 3 units House dimensions: 25ft by 15ft, Question 10. (x, y) -> (-y, x) Mod 20-2.mp4. Type below: e. What are the dimensions of the new room, in inches, on the blueprint? h2S0PP02]KsSJ Tu! Apply the indicated sequence of transformations to the square. . (x, y) (-x, -y) Dilation Geometry Definition Before you learn how to perform dilations, let's quickly review the definition of dilations in math terms.

Charles Sobhraj Interview Bbc 1997, Aaron Powell Pizza Hut Salary, How To Find Yourself In Bible Code, Nfs Heat Engine Swap Explained, Pennsylvania Rangers Revolutionary War, Articles L