Question

Write an equation that represents the relationship between the quantities in the table. Use x
for the independent variable in your equation and y
for the dependent variable in your equation. Explain what x
and y
represent in the context of the problem.

Cost of Purchased Tickets
Tickets Purchased Cost ($)
5 60
15 180
25 300
(2 points)

Math Short Answer Rubric (2 points)
Points Awarded Criteria
2
The answer is correct. The student made no errors while solving.

The answer shows that the student used problem-solving skills and reasoning.

All work is shown or explained.

1
The answer is partially correct. The student made errors while solving.

The answer shows little problem-solving skills or reasoning.

Some work is shown or explained.

0 The question is not answered.

Answer 1

y = 12x

Explanation: The cost increases by $12 for each additional ticket (60/5 = 12), so the unit price is $12 per ticket. Let x = number of tickets purchased (independent variable) and y = total cost in dollars (dependent variable).