Solving Quadratics by Factoring

Front

Solve
x² + 2x - 24 = 0

Back

x = -6, x = 4

Front

Solve
x² + 9x + 20 = 0

Back

x = -4, x = -5

Front

Solve
x² + 7x + 12 = 0

Back

x = -3, x = -4

Front

Solve
x² + 13x + 12 = 0

Back

x = -1, x = -12

Front

Solve:
x² - 49 = 0

Back

x = -7, x = 7

Front

What is a method of checking your work when factoring?

Back

FOIL

Front

What is the first question you ask yourself when factoring a polynomial?

Back

Is there a GCF?

Front

Factor Completely: 
3x² + 18x +15
Hint: Factor GCF first.

Back

3(x + 5)(x + 1)

Front

Factor
k² - 2k - 24

Back

(k+4)(k-6)

Front

Factor out the GCF: 12x + 6

Back

6(2x + 1)