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24-01-2020
Mathematics

contestada

If y = 2x2 – 4x, what is the value of y when x equals 5.
A.10
B.30
C.80
D.480

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24-01-2020

Answer:

The value of y in the given equation is B. 30.

Step-by-step explanation:

y = 2x² - 4x x = 5

y = 2(5)² - 4(5) Plug 5 in for x

y = 2(25) - 20 Square 5 and multiply 4 by 5

y = 50 - 20 Multiply 2 by 25

y = 30

Hope this helps,

❤A.W.E.S.W.A.N.❤

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