You may use your notes, scratch paper, and a calculator.
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Question 1
1.
A graph shows a proportional relationship if it is a straight line that goes through the origin.
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Question 2
2.
Identify if the graph shows a proportional relationship or not.
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Question 3
3.
Identify if the graph shows a proportional relationship or not.
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Question 4
4.
Melissa drove her car at a constant speed. She drove 1 mile in 3 minutes.
Write an equation that represents miles (d) per minute (t). Use t for time and d for distance.(You may use fractions, whole numbers, or decimals rounded to the nearest thousandths place, 3 digits after the decimal).
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Question 5
5.
One movie ticket on a Friday night costs $11.50. Write an equation that represents the situation using x for the number of tickets and y for the cost of each ticket.
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Question 6
6.
Use the given table to find what is the total cost for 5 bags of chips.
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Question 7
7.
The San Diego Safari Park charges $18 for parking, plus an admission fee of $56. This can be represented by the equation c = 56p + 18, where c is the total cost and p is the number of people.
Determine whether there is a proportional relationship between c and p.
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Question 8
8.
Kadeem rode his bike at a constant speed. He rode 15 mile in 5 minutes. Which equation represents the amount of time in minutes, t, that it took for him to ride a distance of d miles?
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Question 9
9.
The two lines represent the amount of water filling over time in two tanks that of the same size. Which tank is filling more quickly?
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Question 10
10.
The table shows the weight of 100 raspberries at a market. There is a proportional relationship between the number of raspberries and their weight. How much does 300 raspberries weigh?
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Question 11
11.
A recipe for chocolate chip cookies uses 3 tablespoons of cookie batter for every 2
tablespoons of chocolate chips. Use b for the number of tablespoons of cookie batter and c
for the number of tablespoons of chocolate chips.
Write an equation that represents the amount of cookie batter needed per each table spoon of chocolate chips.
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Question 12
12.
A car travels 375 miles in 5 hours. How far would it travel in 15 hours? Remember to make a table (t-chart) to help solve this correctly. Hint: there are two steps needed.
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Question 13
13.
A certain shade of pink is created by adding 24 cups of red paint to 6 cups of white paint.
How many cups of red paint should be added to 1 cup of white paint? ____________
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Question 14
14.
On a flight from San Diego to Colorado, an airplane travels at a constant speed. An equation relating the distance traveled in miles, d, to the number of hours flying, t, is d=450t
How long will it take the airplane to travel 585 miles? hint: make a table