Solving Equations with Square Roots

x² = 100

• 10

• 10 or -10

• 50

• 50 or -50

Tags

CCSS.8.EE.A.2

x²= 49

• x = 7

• x = 7,-7

• x = 24.5

• x = 24.5, -24.5

x²=36

• x = 18

• x = 18,-18

• x = 6

• x = 6, -6

Solve 64 = x²

• x = 32

• x = 32,-32

• x = 8, -8

• x = 8

x² = 25

• 5

• -5

• 5 or -5

• 25

x² = -29

• √29, -√29

• √29

• NO Real Solutions

• -√29

x² = 169

• 13
• -13,13
• -13
• -169

x² = 81

• 9
• -9
• 40.5
• -9,9

x² = 100

• -10,10
• 10
• -10
• 200

x² = 289

• 17
• -17
• -17,17
• 578