SOLUTION: Determine if each quadratic equation has real solutions. For questions A-E Choose Yes or No. A. 12x^2-5=-3 B 2/3 x^2+7=11 (THE x IS NOT IN THE FRACTION, IT IS AFTER :)) C 2(x^

Question 1063560: Determine if each quadratic equation has real solutions. For questions A-E Choose Yes or No.
A. 12x^2-5=-3
B 2/3 x^2+7=11 (THE x IS NOT IN THE FRACTION, IT IS AFTER :))
C 2(x^2-3)=3(2x^2+1)
D 3x^2-1=8x^2+9
E 4(3x^2-7)=3(x^2-5)
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use the discriminant.
Convert to standard quadratic equation form,
I'll do the first one, you do the rest.

So,

and

Since , there are real solutions.
So for A, yes there are real solutions.

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