7.6 Solving Radicals

What is the first step in solving this equation?

• Add 4 to both sides

• Divide both sides by 2

• Raise both sides to the 2nd power

• Subtract 9 to both sides

What is the first step in solving this equation?

• Raise both sides to the 3rd power

• Take the cube root of 3

• Add 9 to both sides

• Divide by 3

Solve the radical equation.

• 67

• 33

• 61

• 47

Write the above expression in exponential form.

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Find the equation that matches this graph.

• $y=\sqrt{x+5}$

• $y=\sqrt{x}+5$

• $y=\sqrt{x-5}$
  

• $y=\sqrt{x}-5$
  

• $y=\frac{1}{5}\sqrt{x}$
  

 $x^{\frac{3}{4}}=64$  
In order to isolate x, what power do you need to raise both sides to?

• 3/4

• 4/3

• 4

• 64/3

Solve the following:
 $x^{\frac{3}{2}}+1=28$  

How to do you solve:
 $x^4=81$  

• Raise both sides to the 4th power

• Take the 4th root of both sides

• Divide both sides by 4

• Take the square root of both sides