Question

F(x) = - 1/2x2 - x + 5

Answer 1

x = 4

Explanation:

To find x-intercept/zero, substitute f(x) = 0.

0 = -1/2 * 2-x + 5

Solve the equation for x

0 = -1/2*2-x+5

0 = -1/2 * 2 + 5

0 = -1/2 * 2 = (-0.5 + -0.5 = -1) + 5 = 4