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torrejes241
11.03.2020 •
Mathematics
Which equation could represent the relationship shown in the scatter plot?
y=−2x+12
y=7/8x+6
y = 5x + 1
y=2/3x−7
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Ответ:
D. K'(-4, 8)
Step-by-step explanation:
Given the coordinate (x,y), if this coordinate is dilated by a factor of k, the resulting coordinate will be expressed as (kx, ky). Note that each coordinate is multiplied by the scale factor.
Similarly considering the coordinate K(-1, 2) according to the question. If this coordinate is dilated by a factor of 4, the resulting coordinate is expressed as;
= K'(4(-1), 4(2))
= K' (-4, 8)
Hence the coordinate of K' will be at (-4, 8)