Solving Radical Equations

Solve the equation $\sqrt{x}=9$  

• x = 81

• x = 9

• x = 3

• x = 18

Tags

CCSS.HSA.REI.A.2

What would be the first step in solving the equation  $\sqrt{y}+6\ =\ 12$  

• subtract the six from both sides

• add the six to both sides

• take the square root of both sides

• square both sides

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

What would be the first step in solving the equation  $\sqrt{4x}=8$  

• square both sides of the equation

• take the square root of both sides

• divide both sides by 4

• multiply both sides by 8

Tags

CCSS.HSA.REI.A.2

Solve the equation  $\sqrt{x}+4\ =\ 10$  

• x = 36

• x = 196

• x = 100

• x = 84

Tags

CCSS.HSA.REI.A.2

Solve the equation  $\sqrt{5t\ +\ 1}=9$  

• t = 16

• t = 8/5

• t = 64/25

• t = 64

Tags

CCSS.HSA.REI.A.2

Solve the equation  $\sqrt{\frac{3m}{2}}=3$  

• m = 6

• m = 2

• m = 54

• m = 3

Tags

CCSS.HSA.REI.A.2

CCSS.HSN.RN.A.2

The motion of a pendulum can be modeled by  $t\ =\ 2\sqrt{\frac{l}{3.3}}$  where t is the time in seconds for one complete swing and l is the length of the pendulum in feet. If the pendulum takes 2 seconds to complete one swing, how long is the pendulum? Round to the nearest hundredth of a foot.

• 10.9 feet

• 10.9 seconds

• 6.6 feet

• 6.6 seconds

Tags

CCSS.8.EE.A.2

Solve the equation $\sqrt{5p+1}=\sqrt{2p+7}$  

• p = 2

• p = 4

• p = 1

• p = - 2

Tags

CCSS.HSA.REI.A.2

 $\sqrt{n+3}=\sqrt{11-n}$  Solve the equation

• n = 4

• n = -8

• no solution

• n = 14

Tags

CCSS.HSA.REI.A.2

Solve the equation $3\ +\ \sqrt{n}=3$  

• n = 0

• n = 3

• n = -3

• n = 9

Tags

CCSS.HSA.REI.A.2