vkm42 vkm42
  • 15-12-2018
  • Mathematics
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i need help with these problems please show your work

i need help with these problems please show your work class=

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Piinoy
Piinoy Piinoy
  • 15-12-2018

9.)

The image of point (-6, 2) after a 90° counterclockwise rotation is (-2, -6). This is because a 90° counterclockwise rotation is the same as a 270° clockwise rotation, which is (x, y) → (-y, x).

10.)

The image of point (-9, 3) after reflective it over the line y = x is (3, -9). This is because a reflection over the line y = x is (x, y) → (y, x).

11.)

The blank is "rigid" because rigid transformations preserve length.

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