Page 160 - Algebra

7. The x-intercepts of the graphs are –3, – 2 and 1 So, the function f(x) = (x + 3)(x + 2)(x – 1)
f(x) = (x – 1)(x2+ 5x + 6)
or
f(x) = (x + 3) (x2+ x – 2)
8. When the factors of a function are x, (x – 1)(x – 4), the x-intercepts would be 0, 1, and 4. So, the correct answer is graph A.
Page 159 of 177
Algebra I & II