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If triangle RED has vertices R(0,0) E(-3,4) and D(4,6), which of the following coordinates is R' of the dilation using the scale factor of 0.5? A. R' (-1, -0.5) B. R' (0,0) C. R" (0.5, 0.5)
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Jul 26, 2019
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If triangle RED has vertices R(0,0) E(-3,4) and D(4,6), which of the following coordinates is R' of the dilation using the scale factor of 0.5?
A. R' (-1, -0.5)
B. R' (0,0)
C. R" (0.5, 0.5)
Mathematics
high-school
Alexis Zapata
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R is the origin (0,0). The point at the origin stays where it is assuming the center of dilation is the origin.
More technically we can multiply each coordinate of point R by the scale factor 0.5
x*k = 0*0.5 =
0
y*k = 0*0.5 =
0
Answer: Choice B. R' (0,0)
Jeyla
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Jul 31, 2019
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Jeyla
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