8th Unit 6 REVIEW: TRANSFORMATIONS 8.10A 8.3C 4. Triangles ABC and A′B′C′ are shown on the 1. The triangle below is to be reflected across the coordinate plane. Which algebraic representation shows how to find the coordinates of triangle A′B′C′? In which quadrant or quadrants will the image be located? F → (x, y) G → (x, y) H (x, y) → J (x, y) → 8.10C 8.10B 5. Which of the following statements is true about a 2. What does the algebraic representation (x, y) (x, triangle that has been rotated 180° counter - y) represent? clockwise? F Each point of a figure will be rotated 90° A The image will have the same orientation as the clockwise. pre-image. G Each point of a figure will reflected across the B The image will be smaller than the pre-image. C The image will be larger than the pre-image. H Each point of a figure will be reflected across the D The image will be congruent to the pre-image. y-axis. J Each point of a figure will be rotated 90° counterclockwise. 8.3C 8.10C 3. A square has a perimeter of 120 centimeters. 6. Quadrilateral ABCD has vertices A (3, 2), B (5, 7) The square is dilated to create a square with a side C (8, - 2) and D (6, - 5). Quadrilateral ABCD will be length of 40 centimeters. Which algebraic translated to create quadrilateral A′B′C′D′. If A is representation is correct for the dilation? translated to A′ ( -3, 7), write an algebraic rule that describes the translation? A (x, y) (3x, 3y) B (x , y) ( (x, y) (x , y ) C (x , y) ( D (x, y) (1.75x, 1.75y)
8th Unit 6 REVIEW: TRANSFORMATIONS 8.10A 1. The triangle below is to be reflected across the In which quadrant or quadrants will the image be located? 8.3C 4. Triangles ABC and A′B′C′ are shown on the coordinate plane. Which algebraic representation shows how to find the coordinates of triangle A′B′C′? F → (x, y) G → (x, y) H (x, y) → J (x, y) → 8.10C 2. What does the algebraic representation (x, y) (x, - y) represent? F Each point of a figure will be rotated 90° clockwise. G Each point of a figure will reflected across the H Each point of a figure will be reflected across the y-axis. J Each point of a figure will be rotated 90° counterclockwise. 8.10B 5. Which of the following statements is true about a triangle that has been rotated 180° counter clockwise? A The image will have the same orientation as the pre-image. B The image will be smaller than the pre-image. C The image will be larger than the pre-image. D The image will be congruent to the pre-image. 8.3C 3. A square has a perimeter of 120 centimeters. The square is dilated to create a square with a side length of 40 centimeters. Which algebraic representation is correct for the dilation? A (x, y) (3x, 3y) B (x , y) ( C (x , y) ( D (x, y) (1.75x, 1.75y) 8.10C 6. Quadrilateral ABCD has vertices A (3, 2), B (5, 7) C (8, - 2) and D (6, - 5). Quadrilateral ABCD will be translated to create quadrilateral A′B′C′D′. If A is translated to A′ ( -3, 7), write an algebraic rule that describes the translation? (x, y) (x , y )
8th%20Unit%206%20REVIEW%20SHEET%20Transformations.docx