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11-08-2020
Mathematics

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What is the value of this expression when x = -6 and y = — 1/2? 4(x^2+3) -2y A. -131 B. -35 C. 57 1/2 D. 157

What is the value of this expression when x 6 and y 12 4x23 2y A 131 B 35 C 57 12 D 157 class=

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CSMedrano CSMedrano

11-08-2020

Answer:

D

Step-by-step explanation:

[tex]4(x^2+3)-2y\\\\=4((-6)^2+3)-2(\frac{-1}{2} )\\\\=4(36+3)+1\\\\=4(39)+1\\\\=156+1\\\\=157[/tex]

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