Asked by Mariam
If w varies directly as z and w = 9 when z = -6, find w when z = 3.
a) 0
b) -4.5
c) -2
d) 4.5
a) 0
b) -4.5
c) -2
d) 4.5
Answers
Answered by
Steve
w = kz
so, w/z = k, a constant. So, you want w such that
w/3 = 9/-6
so, w/z = k, a constant. So, you want w such that
w/3 = 9/-6
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