Ditzy19 Ditzy19
  • 23-03-2017
  • Mathematics
contestada

Use the following coefficients of a quadratic equation:

a=2
b=4
c=−6

What are the solutions to the quadratic equation?

Respuesta :

ghanami
ghanami ghanami
  • 23-03-2017
Hello:
 the quadratic equation is : 2x²+4x-6 = 0
delta = b²-4ac
delta = 4²-4(2)(-6) =64 = 8²
x =(-4+√64) /4 =(-4+8)/4  = 1
or   x =(-4-√64) /4 =(-4-8)/4 = -3
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