Mathematics
Grade-8
Easy

Question

State the coordinate of the image of the given point B(4, 9) under a dilation with center at the origin with the given scale factor of 2.

  1. B' (2, 4.5)
  2. B' (-8, -18)
  3. B' (8, 18)
  4. B' (9, 4)

Hint:

Given point B (4, 9)
Under a dilation with center at the origin with the given scale factor of 2.

The correct answer is: B' (8, 18)


    Given point B (4, 9)
    Under a dilation with center at the origin with the given scale factor of 2.
    (4 x 2, 9 x 2)
    (8, 18)

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