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Grade 8 maths · K.7 · Transformations

Dilate a point by a whole-number scale factor

Multiply both coordinates by the scale factor.

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  1. Dilate the point (6, −1) by a scale factor of 3 from the origin. What are the coordinates of the image?

    Answer: (18, -3)

  2. Dilate the point (−5, 6) by a scale factor of 3 from the origin. What are the coordinates of the image?

    Answer: (-15, 18)

  3. Dilate the point (4, −3) by a scale factor of 4 from the origin. What are the coordinates of the image?

    Answer: (16, -12)

Tip: Multiply both coordinates by the scale factor.

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