CA4 Review

Solve the equation. Remember to check for extraneous solutions.

 $-7+\sqrt{8p}=-3$  

•  $p=-5$  

•  $p=2$  

•  $p=9$  

•  $p=-10,\ 9$  

Solve the equation. Remember to check for extraneous solutions.

 $-5=\sqrt{7x+2}-9$  

•  $x=-10,\ 8$  

•  $no\ solution$  

•  $x=2$  

•  $x=8$  

Solve the equation. Remember to check for extraneous solutions.

 $-48=-6\sqrt{\frac{x}{10}}$  

•  $x=640,\ 9$  

•  $no\ solution$  

•  $x=-2$  

•  $x=640$  

Solve the equation. Remember to check for extraneous solutions.

 $\sqrt{2x+11}=\sqrt{x+10}$  

•  $x=-1$  

•  $x=1$  

•  $x=-2$  

•  $no\ solution$  

Solve the equation. Remember to check for extraneous solutions.

 $\sqrt{40-3k}=k$  

•  $k=-8$  

•  $k=-8,\ 3$  

•  $k=5$  

•  $k=-8,\ 5$  

• 
• 
• 
• 

Solve.

• no solution
• 6
• 3
• 4

Solve the radical equation. Don't forget to check your answers!

• x = -6

• x = 3

• x = 7/3

• x = -5

Simplify: $8^{\frac{2}{3}}$  

• 4

• 2

• 8

•  $\frac{16}{3}$  

 $\left(8x^9\right)^{\frac{2}{3}}$  

•  $22x^{\frac{27}{2}}$  

•  $8x^6$  

•  $4x^6$  

•  $x^6$