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Evaluate the expression w 2 - v + 1 for w = -2 and v = -8. A. 5 B. 13 C. -11 D. -3
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Sep 20, 2018
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Evaluate the expression w 2 - v + 1 for w = -2 and v = -8.
A. 5
B. 13
C. -11
D. -3
Mathematics
high-school
Antonius Common
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A. 5
-2*2=-4-(-8)= -4+8=4+1=5
Wivku
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Sep 21, 2018
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Wivku
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4
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w² - v + 1
(-2)² - (-8) + 1
4 + 8 + 1 = 13
B.13 is your answer
(two negatives = one positive)*
(plug in -2 for w, and -8 for v)
(is that w², or do you mean 2w?)
hope this helps
Fabjan
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Sep 26, 2018
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Fabjan
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