Question

Use the discriminant to describe the roots of each equation. Then select the best description. 2x2 + 7x + 6 = 0

real and irrational roots
real and rational roots
double root
non-real roots

Answer 1

real and rational roots

Explanation:

The discriminant of the given equation is
`7^2-4(2)(6)=1`.

Since the discriminant is a perfect square, the equation has real and rational roots.