1.
When Kristin works 8 hours, she earns $60. When she works 20 hours, she earns $150. Write a linear equation that describes her earnings. Assume that the changes increase linearly.
A.
B.
C.
D.
Hint
2.
Which equation describes the line that contains the points (-5, 2) and (3, 7)?
A.
B.
C.
D.
Hint
3.
Which equation describes the line that contains the points (7, 17) and (15, 33)?
A.
B.
C.
y
= -2
x
+ 31
D.
y
= 2
x
+ 3
Hint
4.
A ticket service is selling tickets to a concert. An order of 4 tickets has a price of $63 and an order of 6 tickets has a price of $92. Write an equation to find the price of any amount of tickets.
A.
B.
C.
D.
Hint
5.
A phone company charges for service as follows: they charge a certain amount for a visit, and then they charge a certain amount per hour after that. If a three-hour service visit costs $220, and a job that takes an hour and a half costs $145, how much is the cost of a visit before the amount of time spent is factored in?
A.
$70
B.
$217
C.
$50
D.
$25
Hint