kellskells123 kellskells123

13-06-2016
Mathematics

contestada

Find the value or values of y in the quadratic equation y2 + 4y + 4 = 7

Respuesta :

JacobLeviste JacobLeviste

13-06-2016

Ok to start off, For the future use ^ to show exponents, example; y^2

y^2 + 4y +4 = 7

subtract 7 from both sides making one side equal zero, this now looks like a quadratic equation, right? Solve.

y=−2±√7

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