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13-11-2016
Mathematics

contestada

What number must you add to complete the square?

x^2 + 2x = -1
A. 4
B. 3
C. 1
D. 2

Respuesta :

texaschic101 texaschic101

13-11-2016

x^2 + 2x = -1......take half of ur x term (2x), and square it. So we take half of 2, which is 1, and square it....1^2 = 1....so u would add 1 to both sides

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sistersbypride sistersbypride

13-11-2018

The correct answer is 1

Answer Link

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