3 years ago

If y=-4 when x=10 find y when x=2

1 answer:

5 0

X = y x z
10 = (-4) x z
Z= -10/4 = -5/2

So now we know z = -5/2
we can find y when x = 2

Again x = y x z <span>

2 = y x (-5/2)</span>
<span>So y =2 x ( -2/5) = - 4/5</span>

Double check:
x = yx (x = 2 , y = -4/5), z = -5/2) <span>
2 = (-4/5) x (-5/2) = 20/10 = 2

Answer: when x = 2, y = -4/5</span>

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