Solving Radical Equations

Solve.

• 9

• -9

• 7

• -7

When solving the above radical equation, Is it necessary to check for extraneous solutions?

• Yes

• No

Solve.

 $\sqrt{6x-25}+3=\sqrt{x}+3$  

•  $x=-5$  

•  $x=\frac{25}{7}$  

•  $x=1$  

•  $x=5$  

• 14

• -14

• 6

• -6

Tags

CCSS.HSA.REI.A.2

For which radical equation would you check for an extraneous solution?

• $\sqrt{x}=3-9$

• $4-2x=\sqrt{4x-8}$

• $\sqrt{2x-8}=\sqrt{5x+7}$

• $8d=2\sqrt{1x-5}$

• x = 5

• x = -6

• x = 14

• x = -1