Solve Quadratics by Factoring

According to today's notes, what will the problem below look like at the END of step 2?

f(x) = x² + 3x -18

• 0 = x² + 3x - 18

• 0 = (x + 6)(x - 3)

• 0 = (x + 9)(x - 2)

• 0 = 3(x² + x - 6)

Tags

CCSS.HSA-REI.B.4B

What are the solutions for

f(x) = x² + 3x - 18 ?

Select all that apply!

• x = 6

• x = 3

• x = 0

• x = -3

• x = -6

Tags

CCSS.HSA-REI.B.4B

Which of the following is the equation for the graph shown?

• f(x) = (x +1)(x - 4)

• f(x) = (x - 1)(x + 4)

• f(x) = (x - 2)(x + 6)

• f(x) = (x + 2)(x - 6)

Tags

CCSS.HSF-IF.C.7A

Solve by factoring:

3x² + 9x - 30 = 0

• {2, -5}

• {5, -2}

• {-5, -2}

• {-10, 3}

• {10, -3}

Tags

CCSS.HSA-REI.B.4B