Solve by Square Roots

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

Solve using square roots.

• ±72
• ±12
• 12
• No real solution

Tags

CCSS.HSA-REI.B.4B

Determine the number of real solutions and solve  x² = 0

• 2 Real Solutions
• 1 Real Solution, x = 0
• No real solutions

Determine the number of real solutions and solve  x² = -16

• 2 real solutions, x = ± 4
• 2 real solutions, x = ± 16
• 1 real solution, x = - 4
• No real solutions

Solve by taking square roots:
a² + 9 = 9

• no solution
• a = 0
• a = 3 or -3
• a = 18

Tags

CCSS.HSA-REI.B.4B