Week 17~Monday

Front

What is the rate of change in a situation where a snorkeling company charges $11 per hour?

Back

The rate of change is 11, representing the cost of each hour of snorkeling.

Front

Solve the equation: -3(x - 5) = 45

Back

x = -10

Front

If a snorkeling company charges $11 per hour, what will be the total cost for 4 hours?

Back

The total cost will be $44 (11 * 4).

Front

What does it mean for the total cost of a snorkeling trip to be proportional to the number of hours snorkeling?

Back

It means that as the number of hours increases, the total cost increases at a constant rate.

Front

Define 'proportional relationship'.

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

What is the formula to calculate total cost in a proportional relationship?

Back

Total Cost = Rate * Number of Hours.

Front

If a tourist snorkels for 2 hours, what will be the cost at $11 per hour?

Back

The cost will be $22 (11 * 2).

Front

True or False: The total cost of snorkeling for 3 hours at $11 per hour is $33.

Back

True.

Front

What is the meaning of 'solving an equation'?

Back

Solving an equation means finding the value of the variable that makes the equation true.

Front

What is the first step to solve the equation -3(x - 5) = 45?

Back

Distribute -3 to both terms inside the parentheses.