A triangle with vertices at A(20, –30), B(10, –15), and C(5, –20) has been dilated with a center of dilation at the origin. The image of B, point , has the coordinates (2, –3). What is the scale factor of the dilation?

Name: Revolt
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One-fifth

Dilations in the Coordinate Plane

A triangle with vertices at A(20, –30), B(10, –15), and C(5, –20) has been dilated with a center of dilation at the origin. The image of B, point , has the coordinates (2, –3). What is the scale factor of the dilation?

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