Multiple Choice Questions
Unit J1
Reflections, Rotations and Enlargements
For each of these questions, choose the option that is TRUE.
1

The point P(2, −3) is rotated about the origin through an angle of 90° in an anti-clockwise direction. What are the coordinates of the image P?

  • (A)
    (3, 2)
  • (B)
    (2, 3)
  • (C)
    (−3, 2)
  • (D)
    (3, −2)
2

When rotated through 90° about the origin in a clockwise direction, the image of the point (3, 1) is

  • (A)
    (−1, 3)
  • (B)
    (3, −1)
  • (C)
    (1, −3)
  • (D)
    (−3, 1)
3

Δ LMN, above, is rotated anti-clockwise about L through 90°. Which of the following is its likely image?

  • (A)
  • (B)
  • (C)
  • (D)
4

Triangle ABC is an enlargement of triangle ADE with scale factor 2.

If the area ABC = 36 cm2, then the area of ADE in cm2 is

  • (A)
    4
  • (B)
    12
  • (C)
    9
  • (D)
    18
Total: - of marks
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