Solving Quadratics by Square Root (Easy)

Solve for x

3x² - 27 = 0

• x = 4.9, -4.9

• x = 9, -9

• x = 3, -3

• No solution

Tags

CCSS.8.EE.A.2

Solve for k.

k² - 6 = 43

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

Tags

CCSS.8.EE.A.2

Solve for b.

5b² - 4 = 41

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

Tags

CCSS.8.EE.A.2

Solve for m.

4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Tags

CCSS.8.EE.A.2

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.8.EE.A.2

Which of the following equations can be solved using the square root method?

Tags

CCSS.HSA-REI.B.4B

• ±√9
• ±3
• ±1
• No real solution

Tags

CCSS.8.EE.A.2

Solve for k.

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

Solve for n.

• A
• B
• C
• D

Tags

CCSS.8.EE.A.2

• No solution

Tags

CCSS.8.EE.A.2