Solving Quadratic Equations by Factoring

The solutions of the quadratic equation 
x² + 5x + 6 = 0 are

• x= -3 or x = -2
• x = -6 or x = 1
• x = 3 or x = 2
• x = -3 or x = 2

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x² - x = 12 are

• x = 4 or x = -3
• x = -3 or x = -4
• x = 6 or x = 2
• x = 4 or x = 3

Tags

CCSS.HSA-REI.B.4B

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2
• x=-3,2
• x=2,3
• x=3,2

Tags

CCSS.HSA-REI.B.4B

Solve.  7m² - 12m + 5 = 0

• x = 5/7 and x = 1
• x = 8/3 and x = 2
• x = 8/3 and x = -1/2
• x = -2/3 and x = -5

Tags

CCSS.HSA-REI.B.4B

Solve.  3x² - 27x = 0 

• x = 3,    x = -3
• x = 0,    x = 9
• x = -27
• x = 0,    x = 3

Tags

CCSS.HSA-REI.B.4B

Solve.  x² - 81 = 0

• x = 3,  x = -3
• x = 0
• x = 9,  x = -9
• x = 81

Tags

CCSS.8.EE.A.2