nugg
nugg nugg
  • 26-07-2016
  • Mathematics
contestada

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

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Vilir
Vilir Vilir
  • 26-07-2016
y^2 + 4y - 3 = 0
b^2 - 4 ac = 16 - (4 )(-3) (1) = 28

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codylroberts13
codylroberts13 codylroberts13
  • 26-07-2016
its negative 2 plus or minus  the square root of 7 
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