TRMS 8th Math Word Scramble
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Question | Answer |
Triangle A(4,-5), B(-2,6), C(-3,-4) is translated 4 units to the right and 3 units down. What is the rule? Where are the points for the image? A'B'C'? | (x,y) -> (x + 4, y - 3): A'(8, -8), B'(2, 3), C'(1, -7) |
Reflect the point (-6, 4) across the x-axis. | (-6, -4) |
Reflect the point (2, 7) across the y-axis. | (-2, 7) |
Rotate the point (-3, 5) 90 CW. | (5, 3) |
Rotate the point (-3, -8) 180. | (3, 8) |
Rotate the point (1, 3) 270 CW. | (-3, 1) |
What is the rule for reflecting a point across the x-axis? | (x,y) -> (x, -y) |
What is the rule for rotating a point 90 CW (270 CCW)? | (x, y) -> (y, -x) |
What is the rule for rotating a point 270 CW (90 CCW)? | (x, y) -> (-y, x) |
What is the rule for reflecting a point across the y-axis? | (x, y) -> (-x, y) |
What is the rule for rotating a point 180? | (x, y) -> (-x, -y) |
Triangle A(3,4), B(-2, 5), C(6, -3) is rotated 180. What are the coordinate pairs for A'B'C'? | A'(-3, -4) B'(2, -5) C'(-6, 3) |
Triangle A(-5,2) B (-3,-4) C(7,3) is rotated 90 CW. What are the coordinate pairs for A'B'C'? | A'(2, 5), B'(-4, 3), C'(3, -7) |
Triangle X(5,-2) Y(-3, 9), Z(0,-2) is translated (-3, 7). What is the rule for the translation? What are the new points for X'Y'Z'? | (x, y) -> (x -3, y +7) X'(2, 5), Y'(-6, 16), Z'(-3, 5) |
Triangle A(3, -5) B(-2, 6) C(7,4) is dilated by a scale factor of 3. What is the rule? What are points of the image? | (x, y) -> (3x, 3y) A'(9, -15) B'(-6, 18) C'(21, 12) |
Triangle X(-2, 4) Y(6, 8) Z(-1, -4) is dilated by a scale factor of 1/2. What is the rule? What are the points for X'Y'Z'? | (x, y) -> (1/2x, 1/2y) X'(-1, 2) Y'(3, 4) Z'(-1/2, -2) |
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rebeccaklok
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