Solve by square roots

Solve by taking the square root:

x² = 49

• -7

• 7

• 49

• ±7

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

x² -4 = 77

• 9

• -9

• No Real Solutions

• ±9

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

 $3r^2+7=37$  

•  $\pm10$  

•  $\pm\sqrt{10}$  

•  $\sqrt{10}$  

•  $\pm5$  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

 $-1+5p^2=-86$  

•  $\pm\sqrt{17}$  

•  $\pm17i$  

•  $-17$  

•  $\pm i\sqrt{17}$  

Tags

CCSS.HSA.REI.B.4

CCSS.HSN.CN.C.9

 $5+7m^2=719$  

•  $102$  

•  $\pm2\sqrt{51}$  

•  $\pm\sqrt{102}$  

•  $51$  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve by taking square roots:
k² - 6 = 43

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

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

Solve.

5b² - 4 = 41

• b = ±9

• b = ±3

• b = ±8

• No Real Number Solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve:  $n^2-5=-4$  

•  $n=1$  and  $n=-1$  

•  $n=\pm3$  

•  $n=1$  

• No solution

Tags

CCSS.HSA.REI.B.4