Unit 5.3.4 Solving Quadratics by Factoring

Solve using Zero-Product Property.
(x+4)(x-3) = 0

• x = 4 and x = -3
• x = 2 and x = 1
• x = -4 and x = 3
• x = -2 and x = 1

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve using Zero-Product Property
(x-11)(5x+1) = 0

• x = 11 or x = -1/5
• x = -11 or x = -1/5
• x = 11 or x = 1/5
• x = -11 or x = 1/5

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve using Zero-Product Property.
(2x-2)(5x-5) = 0

• x = -1
• x = -1 or x = 1
• x = 1

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.3

CCSS.HSA.REI.B.4

Solve
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Solve
a² + 2a - 24 = 0

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

Tags

CCSS.HSA.REI.B.4

Solve
16a² - 9 = 0

• a = ^-3/₄, ³/₄ 
• a = ^-4/₃, ⁴/₃ 
• a = ^-9/₁₆, ⁹/₁₆ 
• a = ^-16/₉, ¹⁶/₉ 

Tags

CCSS.8.EE.A.2

Solve
x² + 13x + 12 = 0

• x = -12, -1
• x = 12, 1
• x = 13, 1
• x = -13, -1

Tags

CCSS.HSA.REI.B.4

Solve
6h² + 17h + 10 = 0

• h= -5, -12
• h= 5, 12
• h = -2, ^-5/₆
• h = ^-2/₅, -6

Solve by factoring.
z² - 6z - 27 = 0

• z = 3 or z = 9
• z = 3 or z = -9
• z = -3 or z = 9
• z = -3 or z = -9

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve by factoring.
z² - 18z + 81 = 0

• z = 9
• z = -9
• z = 9 or z = -9

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2