Solving Quadratic Equations by Factoring

ax²+bx+c=0  is the standard form of a quadratic equation.

• True

• False

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Convert x² - 9x + 20 to factored form and solve.

• (x-10)(x+2); x = -2, 10

• (x+4)(x+5); x = -5, -4

• (x-4)(x-5); x = 4, 5

• Not factorable

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor x² + 6x + 9 and solve for x. 

• (x+3)(x+3); x = -3

• (x+4)(x+5); x=-4, -5

• (x-3)(x-3); x=3

• Not factorable

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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.4

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.4

m²-10m=0

• m=0 and m=-10

• m=1 and m=10

• m=0 and m=10

• m=1 and m=-10

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

5w²-5w=0

• w=0 and w=-1

• w=0 and w=1

• w=1 and w=-1

• w=1 and w=5

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Which equation matches these solutions? x=1/4,-3/5

• (4x+1)(5x+3)=0

• (4x-1)(5x-3)=0

• (4x+1)(5x-3)=0

• (4x-1)(5x+3)=0

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve for x by factoring.

• A

• B

• C

• D

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve for x by factoring.

• A

• B

• C

• D

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2