Solving Quadratic Using Square Roots & Completing the Square

Solve using square roots.

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve using square roots.

• √3
• ±√3
• -3
• No real solution

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve using square roots.

• ± 1/4
• ± 9/36
• ± 1/2
• No real solution

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

7x² + 1 = 8

• ± 1
• ± 7
• ± √7
• ± 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

12.  Solve by factoring 
(x - 2 )² = 49

• -5, 9
• ^{7, -7}
• 9, -5
• ^{9, -9}

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve
(x+3)²-5 = 9

• ±√14 -3
• √14 - 3
• ±11
• ±5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve the following quadratics equation by completing the square...

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratics equation by completing the square...

x² - 4x - 1 = 0

• x = -2 ± √5

• x = -5 ± √2

• x = 2 ± √5

• x = 5 ± √5

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve the following quadratics equation by completing the square...

x² - 6x + 2 = 0

• x = -3 ± √7

• x = 3 ± √7

• x = 7 ± √3

• x = -7 ± √3

Tags

CCSS.HSA.REI.B.4

Solve the following quadratics equation by completing the square...

x² - 12x + 31 = 0

• x = -6 ± √5

• x = 6 ± √5

• x = 5 ± √6

• x = -5 ± √6

Tags

CCSS.HSA.REI.B.4