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Evaluate the expression when y=-2 -8y^2=
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5 votes
Evaluate the expression when y=-2

-8y^2=

User Orkun Bekar
by
7.8k points

2 Answers

4 votes
You plug in -2 for y. So you multiply -2 by -8 and raise it to the second power.
-8(-2)^2 = 16^2 = 256
User Wei Qiu
by
8.3k points
4 votes
-8(y)^2
=-8
(-2)^(2)
=-8(4)
=-32
User Josh Justice
by
8.4k points
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