real world quadratic

Question

f(x)=-16x^2+24x+2 Find x-intercepts , show steps by steps.

Answer 1

x-intercepts at f(x) = 0

0 = -16x² + 24x + 2

0 = 8x² - 12x - 1, divide both side by -2

Use Quadratic Formula to solve for x.

Or use Completion of the Sqaure to solve fro x.