Ditzy19 Ditzy19

23-03-2017
Mathematics

Answered

Use the following coefficients of a quadratic equation:

a=2

b=4

c=−6

What are the solutions to the quadratic equation?

Verified Answer :

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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