Question

For f(x) = 4x2 + 13x + 10, find all values of a for which f(a) = 7.

The solution set is ???

i keep getting -2, -1/5 ... but it’s telling me it’s wrong. help!.

(Type an integer or a simplified fraction. Use a comma to separate answers as needed.)

Answer 1

0.84

Explanation:

4x2+13a+10=7

13a=7-10-8

13a=-11

a=-11:13

a=0.84