Question

The solutions to a quadratic equation are -1/3 and 9/2. Which quadratic function is related to this equation?

f(x) = 9x² - 25x -6
f(x) = 6x² -25x -9
f(x) = 9x² + 25x - 6
f(x) = 6x² + 25x - 9

Answer 1

f(x) = 6x² -25x -9

Explanation:

6x² - 25x -9 = (2x - 9) (3x + 1)

x = (2/9) or (- 1/3)