26-07-2016
Mathematics

contestada

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

Respuesta :

26-07-2016

y^2 + 4y - 3 = 0
b^2 - 4 ac = 16 - (4 )(-3) (1) = 28

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codylroberts13 codylroberts13

26-07-2016

its negative 2 plus or minus the square root of 7

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