Solving Quadratics by Factoring

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 9x + 20 = 0

• x = -2, x = -10
• x = -3, x = -4
• x = -4, x = -5
• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B

Solve:
x² - 49 = 0

• x = -7, x = 7
• x = -7
• x = 7
• x = -7, x = 1

Tags

CCSS.8.EE.A.2

Solve
x² + 13x + 12 = 0

• x = -1, x = -12
• x = -1, x = -24
• x = -2, x = -6
• x = -2, x = -12

Solve
 2x² - 3x - 2 = 0

• x = 1, x = -1
• x = -1/2, x = 2
• x = 1/2, x = 2
• x = 1/2, x = 1

Tags

CCSS.HSA-REI.B.4B

Solve
 3x² + 5x - 12 = 0

• x = -4/3, x = 3
• x = 4/3, x = -3
• x = -1, x = 4
• x = 1, x = -4

Solve
4x² - 25x + 25 = 0

• x = 5, x = -5
• x = -5, x = -5/4
• x = 5, x = 5/4
• x = -2, x = -1/9

Tags

CCSS.HSA-REI.B.4B

Solve:   $3x^2=9x$  

•  $x=3$  and  $x=-3$  

•  $x=3$  

•  $x=0$  and  $x=9$  

•  $x=0$  and  $x=3$  

Solve:  $0=3x^2-12x-15$  

•  $x=-5$  and  $x=1$  

•  $x=5$  and  $x=-1$  

•  $x=0$  ,  $x=5$  , and  $x=-1$  

•  $x=-5$  and  $x=-1$  

Tags

CCSS.HSA-REI.B.4B

Solve.
n² - 2n = 0

• n = 2 and 0
• n = -2 and 0
• n = 2
• n = 0

Tags

CCSS.HSA-REI.B.4B