Question

The graph of f(x)=2x2+6x−20
is shown on the grid. Which value of x
is a solution to f(x)=0
?

(1 point)
Responses

2
2

5
5

-12
-12

6
6

Answer 1

2

Reason: 2x^2 + 6x − 20 = 2(x^2 + 3x − 10) = 2(x + 5)(x − 2). The solutions are x = 2 and x = −5, so 2 is the correct choice.