Radical Functions Quiz 1 Review

What is the range of the radical function?

• $x\ge-1$

• $x\le-1$

• $y\ge-2$

• $y\le-2$

What is the domain of the radical function?

• $x\ge-1$

• $x\le-1$

• $y\ge-2$

• $y\le-2$

Which equation translates the graph of the function up 3 units?

•  $g\left(x\right)=\sqrt{x}-3$ 

•  $h\left(x\right)=\sqrt{x}+3$ 

•  $j\left(x\right)=\sqrt{x-3}$ 

•  $k\left(x\right)=\sqrt{x+3}$ 

Which equation translates the graph of the function to the right 5 units?

• $g\left(x\right)=\sqrt{x}-5$

• $h\left(x\right)=\sqrt{x}+5$

• $j\left(x\right)=\sqrt{x-5}$

• $k\left(x\right)=\sqrt{x+5}$

Simplify

 $\sqrt{63}$  

•  $7\sqrt{3}$  

•  $3\sqrt{7}$  

•  $9\sqrt{7}$  

•  $7\sqrt{2}$  

Simplify

 $\frac{\sqrt{48}}{\sqrt{3}}$  

• 3

•  $3\sqrt{4}$  

•  $4\sqrt{3}$  

• 4

Simplify

 $\sqrt{72}\cdot\sqrt{7}$  

•  $6\sqrt{14}$  

•  $6\sqrt{2}$  

•  $6\sqrt{7}$  

• 6

What is the exponential form of the expression?

• $x^{\frac{3}{7}}$

• $x^{\frac{7}{3}}$

• $x^{-\frac{7}{3}}$

• $x^{-\frac{3}{7}}$

Rewrite as a radical expression   $6^{-\frac{8}{3}}$  

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• 10 & 5

• 10

• 5

• 7 & 1