Solve Quadratic Equations

Solve by factoring:

x² - 2x - 3 = 0

• x = 1 or x = 6

• x = -1 or x = 3

• x = -5 or x = -4

• x = 1 or x = -3

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve by factoring:

x² - 5x - 2 = 4

• x = 6 or x = -1

• x = -6 or x = 1

• x = -6 or x = 5

• Cannot be factored

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve by factoring:

x² - 13v + 42 = 0

• x = -6 or x = -7

• x = 6 or x = -5

• x = 6 or x = 7

• x = -6

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve by factoring:

x² - 6x + 11 = 6

• x = 1 or x = 5

• x = -3 or x = -8

• x = 8 or x = -5

• x = -1 or x = -5

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve using square roots:

-7x² = -91

• x = 1 or x = -1

• No real solutions.

• x = 3.6

• x = 3.6 or x = -3.6

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve using square roots:

5x² + 6 = 186

• x = 1.3 or x = -1.3

• x = 6 or x = -6

• No real solutions

• x = 6

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve using square roots:

x² + 7 = 89

• x = 9.8

• No real solution

• x = 9.1

• x = 9.1 or x = -9.1

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve using square roots:

10x² + 3 = -17

• x = 6.7 or x = -6.7

• x = 2.25 or x = -2.25

• x = -2 or x = 2

• No real solution

Tags

CCSS.HSA.REI.B.4

Solve using the Quadratic Formula:

4x² + x - 95 = 0

• x = 7 or x = -6

• x = 5 or x = -6

• x = 4.75 or x = -5

• x = -4.75 or x = 5

Tags

CCSS.HSA.REI.B.4

Solve using Quadratic Formula:

12x² - 3x - 13 = -5

• x = 3 or x = -2

• x = 3.6 or x = -5.6

• x = .95 or x = -.70

• x = 5.6 or x = -3.6

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4