Standard & Factored Form

Which expression is equivalent to (x + 2)(3x - 3) ?

• 3x² - 6

• 3x² + 3x - 6

• 3x² + 6x - 6

• 3x² + 9x - 6

Which expression is equivalent to -6(x - 7)(x + 2) ?

• • - 6x² - 30x + 84

• • - 6x² + 30x + 84

• • - 6x² + 30x - 84

• • - 6x² - 30x - 84

Which factored expression is equivalent to x² - 3x - 40 ?

• (x - 5) (x + 8)

• (x - 5) (x - 8)

• (x + 5) (x + 8)

• (x + 5) (x - 8)

One of the factors of x² - 13x + 42 is (x - 6). What is the other factor?

• (x - 7)

• (x + 7)

• (x + 5)

• (x - 5)

Which equation has zeros at 3 and 5?

• (x - 3)(x + 5)

• (x + 3)(x + 5)

• (x - 3)(x - 5)

• (x + 3)(x - 5)

Which is an equation of the function graphed below?

• y = (x + 2)(x - 4)

• y = (x - 2)(x + 4)

• y = (x + 2)(x + 4)

• y = (x - 2)(x - 4)

What is the value of the POSITIVE zero of the function ,f, defined by f(x) = x² - 64?

What is the value of the LARGER zero of the function below?

g(x) = 3x² - 12x - 15

What is the SUM of the zeros of the function defined by 3x² + 12x - 36?

• • - 6

• 2

• • - 4

• 0

A quadratic function has roots of -2 and -9. Which expression could define the function?

• x² - 11x - 18

• x² + 11x - 18

• x² - 11x + 18

• x² + 11x + 18