Parallel and Perpendicular Lines Answers
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A rectangle on a coordinate plane is translated 5 units up and 3 units to the left. Which rule describes the translation?
A
(x, y) → (x + 5, y – 3)B
(x, y) → (x + 5, y + 3)C
(x, y) → (x – 3, y + 5)D
(x, y) → (x + 3, y + 5)22
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A triangle on a coordinate plane is translated according to the rule T–8, 4(x, y). Which is another way to write this rule?
A
(x, y) → (x + 4, y – 8)B
(x, y) → (x – 4, y – 8)C
(x, y) → (x – 8, y + 4)D
(x, y) → (x + 8, y – 4)23
Rectangle EFGH is translated according to the rule T–5, 9(x, y). If the coordinates of the pre-image of point H are (–2, –3), what are the coordinates of H'?
A
(7, –8)B
(–7, 6)C
(3, –12)D
(2, 1)24
Which shows the image of ΔRST after the rotation (x, y) → (y, –x)?
A
On a coordinate plane, a triangle has points R prime (1, 2), S prime (3, negative 1), T prime (7, 1).
B
On a coordinate plane, a triangle has points R prime (1, negative 2), S prime (3, 1), T prime (7, negative 1).
C
On a coordinate plane, a triangle has points R prime (negative 1, negative 2), S prime (negative 3, 1), T prime (negative 7, negative 1).
D
On a coordinate plane, a triangle has points R prime (2, 1), S prime (negative 1, 3), T prime (1, 7).
25
A line segment has endpoints at (–4, –6) and (–6, 4). Which reflection will produce an image with endpoints at (4, –6) and (6, 4)?
A
a reflection of the line segment across the x-axisB
a reflection of the line segment across the y-axisC
a reflection of the line segment across the line y = xD
a reflection of the line segment across the line y = –xDid you find these answers helpful?
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