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11-09-2020
Mathematics

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WILL DO BRAINLIEST IF RIGHT ASAP Evaluate the expression for r = –2. –40(–31 − 16r)2 + r2 =

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11-09-2020

Answer: -36

Step-by-step explanation:

To evaluate the expression, you want to plug in r to solve.

-40(-31-16(-2))²+(-2)² [parenthesis]

-40(1)²+(-2)² [exponent]

-40+4 [add]

-36

Now we know the expression is equal to -36 when r=-2.

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