Solving by sq rt

Solve by taking square roots:
5m² + 1 = 6

• m = 0
• m = 1 or -1
• m = √7
• m = 7/5 m = -7/5

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9
• b = 3, b = -3
• b = 8, b = -8
• no solutionb

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

• ±72
• ±12
• 12
• No real solution

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

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
(x-5)² = 25

• ±0
• ±10
• 10, 0
• -10, 0

Tags

CCSS.HSA-REI.B.4B

4(x+9)²=24

• {-9+√6,-9-√6}
• {3,-3}
• {3}
• so solution

Tags

CCSS.HSA-REI.B.4B

5(x-8)²=15

• {√3,-√3}
• {8+√3,8-√3}
• {2√2,-2√2}
• no solution

Tags

CCSS.8.EE.A.2

4x²+7x-17=3x²+12x-3

• x= -7, -2

• x= 7, -2

• x= -7, 2

Tags

CCSS.HSA-REI.B.4B

5x²-25x=5x-40

• x= -4, -2

• x= -4, 2

• x= 4, 2

Tags

CCSS.HSA-REI.B.4B

√24

• 4√6
• 2√6
• 6√2
• 2√12

Tags

CCSS.HSN.RN.A.2