Solving Quadratic Equations by Square Rooting

Solve: 3x² = 12

• ± 2

• 2

• ± √12

• ± 4

Tags

CCSS.8.EE.A.2

Solve using square roots.
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Tags

CCSS.8.EE.A.2

Solve using square roots.
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Tags

CCSS.8.EE.A.2

(x - 1)² + 14 = 15

• x = 0, 2

• x = 1

• x = 0

• x = 1 ± √29

Tags

CCSS.HSA-REI.B.4B

Solve using square roots.

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

Solve using square roots.

• A

• B

• C

• D

Tags

CCSS.HSA-REI.B.4B

• x= 9, -9

• x= -49, 49

• x= 7, -7

• x= -5, 5

Tags

CCSS.8.EE.A.2

• {6.78,-6.78}

• {8,-8}

• {7,-7}

• No Solution

Tags

CCSS.8.EE.A.2

Solve using square roots.

• ±√9

• ±3

• ±1

• No real solution

Tags

CCSS.HSA-REI.B.4B