Solving Square Root Equations

Solve for x

x² = 64

• x = 8, -8

• x = 32, -32

• No real solution

Tags

CCSS.HSA.REI.B.4

Solve for x

3x² - 27 = 0

• x = 4.9, -4.9

• x = 3, -3

• No solution

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

Solve using square roots.
k² - 6 = 43

• k = 37 or - 37
• k = 7, k = -7
• no solution

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.2

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• no solution

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.A.2

Solve using square roots.
4m² - 100 = 0

• m=25, -25
• m=5, -5
• m=-96

Tags

CCSS.HSA.REI.B.4

Solve using square roots.

• m=81, m=-81

• m=9, m=-9

• No real solution

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.A.2

Solve the equation using square roots.
x² = 121

• m=60.5

• x=11, x=-11

• m=12, m=-12

x² = 16

• x=4, x=-4

• m=8, m=-8

• No Solution

3x²+12=39

• No Solution

• x=3, x=-3

• x = ±9

Solve using square roots.

• n=12, n=-12

• n=72, n=-72

• No real solution