Solving Quadratics Square Root Method

• ±23.25
• ±5
• ±25
• No real solution

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CCSS.8.EE.A.2

• ±81
• ±9
• ±3
• No real solution

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CCSS.8.EE.A.2

• ±√9
• ±3
• ±1
• No real solution

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CCSS.HSA-REI.B.4B

x²=9

• x=9, -9

• x=3, -3

• x=0

• 

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CCSS.8.EE.A.2

x²+7=20

• x=13, -13

• 
• 
• x=27, -27

Tags

CCSS.8.EE.A.2

Solve
(x-5)² = 25

• ±0
• ±10
• 10, 0
• -10, 0

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CCSS.HSA-REI.B.4B

Solve for x     x² - 4 = 76

• x = 4 , -4
• x = 4√5    ,  -4√5
• x = 80   ,  x = -80
• x = 5√4    or    -5√4

Tags

CCSS.8.EE.A.2

Solve for x

3x² = -60

• no real solutions

• √20

• -2√5

• -√20

Tags

CCSS.8.EE.A.2

Solve for x: 
(x+6)²=49

• x=7,12
• x=±7
• x=1,-13
• x=43,-55