SOLUTION: 2x^2-9x-1=o what is the answer using the quadratic formula
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Question 211353
:
2x^2-9x-1=o what is the answer using the quadratic formula
Answer by
checkley77(12844)
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2x^2-9x-1=o
X=(9+-SQRT[-9^2-4*2*-1])/2*2
X=(9+-SQRT[81+8])/4
X=(9+-SQRT89)/4
X=(9+-9.43398)/4
X=(9+9.43398)/4
X=18.43398/4
X=4.6085 ANS.
X=(9-9.43398)/4
X=-.43398/4
X=-1.085 ANS.