livelaughlovee
livelaughlovee
07-09-2017
Mathematics
contestada
can someone help me please
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kphung76127
kphung76127
07-09-2017
Both equations define y so they should be equivalent.
x^2-8=-2x
x^2+2x-8=0
(x+4)(x-2)
x=-4, x=2
Find y values for both values of x
y=-2(-4)
y=8
y=-2(2)
y=-4
Final answer: B
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