PreReq Chapter 1 Take Home Test

Which list of numbers is written in increasing order?

• $-\sqrt{7},\ -3,\ -\frac{5}{2},\ 0,\ \frac{3}{4}$

• $-6,\ -4.5,\ -4.8,\ 1,\ 1.9$

• $-\sqrt{3},\ -\frac{8}{5},\ -\frac{1}{2},\ 0,\ \frac{1}{8}$

• $-\frac{11}{2},\ -\sqrt{2},\ -\frac{1}{7},\ -\frac{1}{4},\ \frac{5}{2}$

• $-0.5,\ -\sqrt{2},\ -\frac{7}{2},\ -\sqrt{13},\ -13$

Which property is illustrated by the statement

 $6\left(8+4\right)=6\left(4+8\right)$  

• Distributive Property

• Associative Property of Addition

• Associative Property of Multiplication

• Commutative Porperty of Addition

• Commutative Property of Multiplication

Which expression cannot be simplified?

• $8x-8$

• $8x-x$

• $8x-5x$

• $\left(8+5\right)x$

• $-\left(x+x\right)$

Which number does

 $\left(7+1\right)^2-16\div2+6\div3$   
equal?

•  $\frac{62}{3}$  

•  $\frac{23}{3}$  

•  $10$  

•  $2$  

•  $58$  

Which number does

 $4x^2-5x+3$  
equal when 
 $x=\ -3$  

•  $-48$  

•  $24$  

•  $54$  

•  $-54$  

•  $-18$  

 $-4x+8=x-7$  

Which number is the solution of the equation

•  $-3$  

•  $-5$  

•  $3$  

•  $5$  

•  $-\frac{1}{5}$  

A real estate broker earns a salary of $21,000 plus 2.5% of the value of any real estate sold. Last year the broker earned $52,000. What was the total value of all real estate sold by the broker?

• $12,400

• $31,000

• $124,000

• $1,240,000

• $12,400,000

Which gives the equation

 $C=2\pi r$  

solved for  $r$  ?

•  $r=2\pi C$  

•  $r=\frac{C}{2\pi}$  

•  $r=\frac{2\pi}{C}$  

•  $r=\frac{2C}{\pi}$  

•  $r=\frac{2\pi}{2C}$  

 $-3\le\ -6x+3\le9$  

Which number is not a solution of the inequality

•  $-1$  

•  $0$  

•  $0.5$  

•  $1$  

•  $2$  

Which inequality is the solution of 

 $6x-3\ge7+4x$  

•  $x\ge\ -5$  

•  $x>5$  

•  $x\le\ -5$  

•  $x\le5$  

•  $x\ge5$