Solving Radical Equations Review

What is the 1st step to solve  $2\sqrt{x-5}=30$  ?

• divide both sides by 2

• square both sides

• add 5 to both sides

• subtract 30 from both sides

Tags

CCSS.HSA.REI.A.2

To undo a square root in an equation, you need to...

• multiply both sides by 2

• square both sides

• square root both sides

• divide both sides by 2

Tags

CCSS.8.EE.A.2

 $10+\sqrt{a+7}=11$  

• no solution

• -6

• 6

•  $\frac{1}{7}$  

 $\sqrt{6w-5}+10\ =\ 3$  

• 9

• 8.12

• no solution

• -9

Tags

CCSS.HSA.REI.A.2

 $fourth\ root\ \left(8k\ +12\right)\ -9\ =\ -11$  

• no solution

• 3

•  $\frac{1}{2}$  

• 2

Tags

CCSS.HSA.REI.A.2

 $fourth\ root\ \left(27-2d\right)\ =\ fourth\ root\ \left(d-3\right)$  

• no solution

• 10

• 30

• 3

Tags

CCSS.HSA.REI.A.2

 $\sqrt{3-2v}+17\ =\ 20$  

• -3

• 3

• 6

• no solution

Tags

CCSS.HSA.REI.A.2

 $\sqrt{3k-29}=\sqrt{41-2k}$  

• 70

• 14

• 13

• no solution

Tags

CCSS.HSA.REI.A.2

 $\sqrt{x}=13$  

• 13

• 26

• 169

• 3.61

Tags

CCSS.8.EE.A.2

 $3\sqrt{2x}=12$  

• 4

• 8

• 14

• 64