The cost of student tickets at a movie theater can be equation: C = $5.50x, where C is the cost and x is the number of student
tickets. Which statements are true about this situation? Select each correct
statement.

A. The constant of proportionality is $5.50.

B. The unit rate is $2.25.

C. Two movie tickets cost $11.00.

A - Correct

The proportionality constant is the number that associates the two different quantities. In this case, the cost is 5.5 times the number of tickets, therefore, it is the constant of proportionality between the cost and the number of students.

B- Incorrect

If you plug in x=1, you get the cost for exactly one ticket. In this case, C(1)=5.5, so the unit rate is 5.5

C- Correct

If you plug in x=2, you get the cost for two tickets. Therefore C(2) = 5.5x2;

C(2)= 11

So the cost of two tickets is $11.00

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