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What is the value of -2 x^2 +4y if x = -2 and y =3

What is the value of -2 x^2 +4y if x = -2 and y =3
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What is the value of -2 x^2 +4y if x = -2 and y =3

User Chris Dent
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1 Answer

3 votes
Substitute the values
-2(-2)^2+4(3)
First evaluate the exponent.
-2(4)+4(3)
Then evaluate multiplication.
-8+4(3)
-8+12
Then add.
Final answer:4
User Dan Markhasin
by
7.7k points
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