Factoring Cubic and Quadratic Functions

Solve the quadratic equation by factoring
a² + 10a + 21 = 0

• ± √21

• -3 , -7

• 3 , 7

• 28 , -7

Solve by factoring.
k² + 8k + 12 = 0

• -2, 2

• -2, 4

• -2, -6

• 2, 3

Solve the equation by factoring:
x² -6x + 8 = 0

• 2, 4

• -2, -4

• -2, 4

• 2, -4

Solve the equation by factoring:

x² + x - 6 = 0

• {-2, 3}

• {-2, -3}

• {2, -3}

• {-2}

What is the factored form for the following cubic function?

• 2x(x - 3)(x - 4)

• x(x + 3)(x + 4)

• x(x - 3)(x + 4)

• (x + 3)(x - 3)(x - 4)

What is the factored form for the following cubic function?

• x(x - 3)(x - 4)

• x(x + 3)(x + 4)

• x(x - 3)(x + 4)

• (x + 3)(x - 3)(x - 4)

Mathematical Equivalence

ON

Factor Completely: x²-7x-8

• (x+1)(x-8)

• (x+1)(x+8)

• 5(x+4)(x+5)

• (x-1)(x+8)

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

r² - 6r + 5 = 0

• r = 5 and 1

• r = 5 and -1

• r = -5 and 1

• r = -5 and -1