You may use your notes, scratch paper, and a calculator.
Question 1
1.
A graph shows a proportional relationship if it is a straight line that goes through the origin.
Question 2
2.
Identify if the graph shows a proportional relationship or not.
Question 3
3.
Identify if the graph shows a proportional relationship or not.
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).
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.
Question 6
6.
Use the given table to find what is the total cost for 5 bags of chips.
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.
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?
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?
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?
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.
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.
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? ____________
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