Consider the dilation.

Pre-image: A(−4, 2) , B(4, 4) , and C(−1, 2)

Image: A′(−2, 1) , B′(2, 2) , and C′(−12, 1)

Is the dilation an expansion or contraction? What is the scale factor?

Question

Consider the dilation.

Pre-image:  A(−4, 2) ,  B(4, 4) , and  C(−1, 2)

Image:  A′(−2, 1) ,  B′(2, 2) , and  C′(−12, 1)

Is the dilation an expansion or contraction? What is the scale factor?

itsbribro · Answer

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itsbribro · Answer

i really need help with this question..

welshfella · Answer

Note that A'  values are both half of A values
same for B and C , B' and C'

itsbribro · Answer

so the dilation is a contraction?

welshfella · Answer

I'm assuming that C'  is (-1/2,1)  ?

welshfella · Answer

Yes

welshfella · Answer

scale factor is 1/2.

itsbribro · Answer

ohh okay I got the rest  thank you