Dilate point a in relation to the origin by a dilation factor of 5. a 23)
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(7.8)
(15.10)
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(10.15)

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =