Ilovejames Ilovejames

23-03-2017
Mathematics

contestada

what is the value of 2x^2+7x-11 when x is -1

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SoccerGirl920 SoccerGirl920

23-03-2017

The correct answer is -14!
Step by step answer~
2x^2+7x-11
2(-1)^2+7(-1)-11
-2^2-7-11
4-7-11
-14
Hope this helps!

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23-03-2017

2x^2+7x-11
X=-1
2x=2*-1=-2
-2^2=4
7x=7*-1=-7
4-7-11=-14

Answer is -14

Answer Link

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