Quadratic Functions: Factored Form

Question 8 of 10 • LA-Algebra I CR

The graph of the function f(x) = (x + 2)(x + 6) is shown below.

Answer

The function is positive for all real values of x wherex > –4.

The function is negative for all real values of x where–6 < x < –2.

The function is positive for all real values of x wherex < –6 or x > –3.

The function is negative for all real values of x wherex < –2.

Unit Test

Completing the Square (Continued)

Comparing Exponential, Linear, and Quadratic Growth