Question

A graph of f(x)=10x^2-11x-6 is shown on the coordinate grid.

What are the zeros of f(x)?

-2/5 and 3/2
-6
-9 and 4
11/20 and -9

Answer 1

-2/5 and 3/2

Explanation:

f(x)=10x²-11x-6

0=10x²-11x-6

(5x+2)(2x-3)=0

5x+2=0, 2x-3=0

5x=-2, 2x=3

x=-2/5, x=3/2