Answer:
4
Step-by-step explanation:
A (-7, 8)
-7*4 = -28
8*4 = 32
The scale factor is 4.
Each vertices is multiplied by 4 to get the new points.
slope of y= -1+3x is "3"
of y=-x+7 is "-1"
of y=3x+8 is "3"
i) y intercept = "-9"
ii) y intercept = "-2"
i thing is 1
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0
the opposite is 1 -7/8 when you add them together they cancel out to zero
i dont know