SOLUTION: for what values of b will the quadratic equation x^2+bx+10=0 have no real roots?

SOLUTION: for what values of b will the quadratic equation x^2+bx+10=0 have no real roots?

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Question 244688: for what values of b will the quadratic equation x^2+bx+10=0 have no real roots?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
x^2+bx+10=0
.
b^2-4ac is the discriminant. It can't be less than zero and have real roots.
a=1, c=10
b^2-40 discriminant
b^2= 40
b=+-2sqrt(10)
values of b with no real roots.
.
Ed
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