Algebra 1 Review

What is  $\sqrt{32}$  expressed in simplest radical form?

•  $16\sqrt{2}$  

•  $4\sqrt{2}$  

•  $4\sqrt{8}$  

•  $2\sqrt{8}$  

Which polynomial is twice the sum of  $4x^2-x+1$  and  $-6x^2+x-4$ ?

•  $-2x^2-3$  

•  $-4x^2-3$  

•  $-4x^2-6$  

•  $-2x^2+x-5$  

The value of x which makes $\frac{2}{3}\left(\frac{1}{4}x-2\right)=\frac{1}{5}\left(\frac{4}{3}x-1\right)$  true is

• -10

• -2

•  $-9.\overline{09}$  

•  $-11.\overline{3}$  

The inequality $7-\frac{2}{3}x<x-8$  is equivalent to

•  $x>9$  

•  $x>-\frac{3}{5}$  

•  $x<9$  

•  $x<-\frac{3}{5}$  

Fred is given a rectangualr piece of paper. If the length of Fred's piece of paper is repesented by $2x-6$  and the width is represented by  $3x-5$ , then the paper has a total area represented by

•  $5x-11$  

•  $6x^2-28x+30$  

•  $10x-22$  

•  $6x^2-6x-11$  

The expression $\sqrt{50}$  can be simplified to

•  $5\sqrt{2}$  

•  $5\sqrt{10}$  

•  $2\sqrt{25}$  

•  $25\sqrt{2}$  

The solution to $-2\left(1-4x\right)=3x+8$  is

•  $\frac{6}{11}$  

•  $2$  

•  $-\frac{10}{7}$  

•  $-2$  

If $y=3x^3+x^2-5$  and  $z=x^2-12$ , which polynomial is equivalent to  $2\left(y+z\right)$ ?

•  $6x^3+4x^2-34$  

•  $6x^3+3x^2-17$  

•  $6x^3+3x^2-22$  

•  $6x^3+2x^2-17$  

 Michael borrows money from his uncle, who is charging him simple interest using the formula $I=\Pr t$ . To figure out what the interest rate, r, is, Michael rearranges the formula to find r. His formula is r equals 

•  $\frac{I-P}{t}$  

•  $\frac{P-I}{t}$  

•  $\frac{I}{Pt}$  

•  $\frac{Pt}{I}$  

What is $2\sqrt{45}$ expressed in simplest radical form? 

•  $3\sqrt{5}$  

•  $5\sqrt{5}$  

•  $6\sqrt{5}$  

•  $18\sqrt{5}$