gheedominique gheedominique

04-08-2017
Mathematics

contestada

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

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kphung76127 kphung76127

04-08-2017

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

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