Leasor Semester 1 Exam Review

13. Carlos bought a new cell phone. The graph represents the relationship between the number of minutes he uses and the total cost.

• 
  

  $y=5x+0.1$
  

• $y=0.1x+5$

• $y=0.5x+5$

• $y=5x+5$

14. The graph shows the earning from a bake sale per item sold. Which equation represents the earnings from the bake sale?

• $y=1x$

• $y=5x$

• $y=10x$

• $y=25x$

15. What is the solution to the equation  $2x-4=6$ ?

•  $x=1$  

•  $x=4$  

•  $x=5$  

•  $x=8$  

19. How many solutions does the following equation have?  $2x-4=4-2x$  

• No solution

• One solution

• Infinitely many

• Unsolvable

20. Which of the terms given can you write in the blank box so that the equation will have infinite solutions?

• -4

• -2

• 2

• 4

28. Which equation and statement below correctly explains why the table is a function?

• $y=2x+1$ ; for each output there is exactly one input

• $y=2x+1$ ; one input value has more than one output

• $y=\frac{5}{2}x$ ; all input values are different

• $y=\frac{5}{2}x$ ; for each input there is exactly one output

33. Which function has a greater rate of change?

• Function A

• Function B

• Neither, they are equal

• Neither, one is nonlinear

35. Angel paid for a booth at an art fair so he could sell his ceramic bowls. The graph represents the amount of money, y, that Angel will earn selling x ceramic bowls at the art fair.

Which equation represents the amount of money Angel could earn at the art fair?

• $y=x+2$

• $y=x-20$

• $y=10x-20$

• $y=20-10x$

36. What is the equation of the line shown?

• $y=-x-1$

• $y=x-1$

• $y=-x$

• $y=x$

39. What is the equation of the line shown in the graph?

• $y=-3x$

• $y=-\frac{1}{2}x-2$

• $y=\frac{1}{2}x+1$

• $y=4x-3$