Question

Use the discriminant to determine the number of real solutions to the quadratic equation. 5a2+30a+45=0

What is the number of real solutions?
Select the correct answer below:
0
1
2

Answer 1

1

Explanation:

30^2 - 4(5)(45)

900 - 900

0

The discriminant works out to be 0, so there is one solution.