Which of the following gives the coordinates of the vertices A, B and C after dilation with a scale factor of 3 centered at origin?

A(2,3),B(-3,5),C(-3,-2)

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A(9,6),B(15,-9), C(-6,-9)

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A(5,3), B(-2,-3),C(6,9)

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A(6,4),B(10,-6),C(-4,-6)

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Solution

The correct option is B A(9,6),B(15,-9), C(-6,-9)
For the dilation of scale factor 3, we have to multiply the coordinates by 3. Hence, we get

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Which of the following gives the coordinates of the vertices A, B and C after dilation with a scale factor of 3 centered at origin?

The correct option is B A(9,6),B(15,-9), C(-6,-9)For the dilation of scale factor 3, we have to multiply the coordinates by 3. Hence, we get

The correct option is B A(9,6),B(15,-9), C(-6,-9)
For the dilation of scale factor 3, we have to multiply the coordinates by 3. Hence, we get