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Which equation has both 4 and -4 as possible valuse of y

Which equation has both 4 and -4 as possible valuse of y
asked 31.1k views
5 votes
Which equation has both 4 and -4 as possible valuse of y

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User Vashon
by
8.1k points

1 Answer

5 votes
The equation you are looking for

y^2-16=0
[y-4][y+4]=0

Either
y-4=0
y=4

or
y+4=0
y=-4
answered
User Mariano LEANCE
by
7.9k points
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