SOLUTION: 4x^2-6x=4 My question is to calculate the discriminant and state how many real solutions it has.

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Question 48489: 4x^2-6x=4 My question is to calculate the discriminant and state how many real solutions it has.
Answer by josmiceli(6784) About Me  (Show Source):
You can put this solution on YOUR website!
I get 2 real solutions
The discriminant is
0+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29
Now to find a,b, and c
4x%5E2+-6x++=+4
x%5E2+-%283%2F2%29%2Ax+-1+=+0
a = 1
b = -3/2
c = -1
0+%2B-+sqrt%28+%28-3%2F2%29%5E2-4%2A1%2A%28-1%29+%29
0+%2B-+sqrt%289%2F4+%2B+16%2F4%29+
0+%2B-+sqrt%2825%2F4%29
0+%2B-+5%2F2
There are 2 real roots since the values of the
discriminant are +5/2 and -5/2