Interim 2 and Functions Test Practice for Algebra

 $\frac{2}{3}\ +\ x\ +\ 6\ =\frac{3}{4}$  

•  $x=\ -5$  

•  $x\ =\ -\frac{71}{12}$  

•  $x\ =\ \frac{12}{4}$  

•  $x\ =\ -\frac{73}{12}$  

Which of the following sets of ordered pairs (x,y) is NOT a function of x?

• $\left\{\left(2,3\right),\left(4,6\right),\left(5,6\right)\right\}$

• $\left\{\left(0,1\right),\ \left(2,3\right),\left(5,3\right)\right\}$

• $\left\{\left(2,2\right),\left(3,3\right),\left(4,4\right)\left(5,5\right)\right\}$

• $\left\{\left(2,3\right),\left(3,3\right),\left(2,2\right)\right\}$

Which equation is represented by the graph.

• $y\ =\ \frac{1}{5}x\ +5$

• $y\ =\ -\frac{1}{5}x\ -1$

• $y\ =\ 5x\ +\ 5$

• $y\ =\ -5x\ +\ 5$

Which functions are non- linear? Select THREE that apply.

•  $y\ =\ -\frac{x}{6}+\ 4$  

•  $y\ =\ \frac{4}{x}\ -\ 6$  

•  $y=x^3\ +\ 5$  

• 
• 

What is the solution to the system of equations shown in the graph?

• (-4,0)

• (0,2)

• (-4,2)

• (-4,-2)

Which of the following equations have a solution that is negative?

• 
• 
• 
• 
• 

Carl and Jeannine both work at appliance stores. Carl earns a weekly salary of $600 plus $40 for each appliance he sells. The equation p = 50n + 550 represents the amount of money Jeannine earns in a week, p ($), as a function of the number of appliances she sells, n. Which of the following statements is true?

• Carl has a greater salary and a greater rate per appliance sold.

• Jeannine has a greater salary and a greater rate per appliance sold.

• Carl will earn more than Jeannine if they each sell 10 appliances in a given week.

• Both Carl and Jeannine earn the same amount if they each sell 5 appliances in a given week.

Determine which situation has the greatest rate of change (slope).

Most expensive price of hamburger.

• Smith's

• Harmon's

• Macey's

Check all that are true.

•  $f\left(4\right)\ =\ 0$  

•  $f\left(0\right)\ =\ 4$  

•  $f\left(4\right)\ =\ 1$  

•  $f\left(0\right)=0$  

Which statement is true of these functions?

• The rate of change of the function in the graph is more than that of the function in the table by 2 units.

• The rate of change of the function in the graph is more than that of the function in the table by 1 unit.

• The rate of change of the function in the graph is less than that of the function in the table by 1 unit.

• he rate of change of the function in the graph is less than that of the function in the table by 2 units.