Solving Quadratics by factoring

Front

Solve by factoring: x² + 3x - 18 = 0

Back

x = 3 and x = -6

Tags

CCSS.HSA-REI.B.4B

Front

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

Back

Is there a GCF?

Front

Solve by factoring: x² - 9x + 20 = 0

Back

x = 4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Front

Solve: x² + 9x + 20 = 0

Back

x = -4 and x = -5

Tags

CCSS.HSA-REI.B.4B

Front

Solve: x² + 2x - 24 = 0

Back

x = -6 and x = 4

Tags

CCSS.HSA-REI.B.4B

Front

What does GCF stand for in factoring?

Back

Greatest Common Factor

Front

What is the purpose of factoring a quadratic equation?

Back

To find the values of x that make the equation true.

Tags

CCSS.HSA-REI.B.4B

Front

What is the standard form of a quadratic equation?

Back

ax² + bx + c = 0

Front

What are the roots of a quadratic equation?

Back

The values of x that satisfy the equation.

Tags

CCSS.HSA-REI.B.4B

Front

How do you check if your factored solution is correct?

Back

Substitute the values back into the original equation.

Tags

CCSS.HSA-REI.B.4B