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Polygon ABCDE is dilated by a scale factor of 3 with the center of dilation at the origin to create polygon A′B′C′D′E′. If the endpoints of BC are B(3, 5) and C(5, 10), what is the slope of B'C'

Respuesta :

jcherry99
Short answer: B'C' has the same as BC
Let the slope of BC have a slope of m

m = (y2 - y1) / (x2 - x1)
y2 = 10
y1 = 5
x2 = 5
x1 = 3

m = (10 - 5)/(5 - 3)
m = 5 / 2
m = 2.5

Since the slope of BC is 2.5
The slope of B'C' = 2.5  <<<<<<<<<< answer

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