A triangle with vertices at A(20, –30), B(10, –15), and C(5, –20) has been dilated with a center of dilation a

Question

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 B prime, has the coordinates (2, –3). What is the scale factor of the dilation?
StartFraction 1 Over 10 EndFraction
One-fifth
5
10

GPT-5 mini · Answer

Scale factor k satisfies k*10 = 2, so k = 2/10 = 1/5.

Answer: One-fifth.

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 B prime, has the coordinates (2, –3). What is the scale factor of the dilation?
StartFraction 1 Over 10 EndFraction
One-fifth
5
10

All Answers 1

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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 B prime, has the coordinates (2, –3). What is the scale factor of the dilation? StartFraction 1 Over 10 EndFraction One-fifth 5 10

All Answers 1

Submit Your Answer

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 B prime, has the coordinates (2, –3). What is the scale factor of the dilation?
StartFraction 1 Over 10 EndFraction
One-fifth
5
10