lourdes17 lourdes17

17-07-2021
Mathematics

contestada

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.)

Respuesta :

afrokid118 afrokid118

17-07-2021

Answer:

0.84

Step-by-step explanation:

4x2+13a+10=7

13a=7-10-8

13a=-11

a=-11:13

a=0.84

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