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Solve each problem by using the quadratic formula. Write solutions in simplest radical form. 2x^2+2x-1=0

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asked Jul 29, 2014 in ALGEBRA 1 by anonymous

1 Answer

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Given equation

image

Compare it to quadratic form

image

a = 2, b = 2, and c = -1.

Using formula:

image

Substitute a = 2, b = 2, and c = -1.

 

image

 

Therefore, roots are

image

 

answered Jul 29, 2014 by bradely Mentor

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