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Homework Due Wednesday Re-do

Total questions: 11

Worksheet time: 40mins

Name
Class
Date
1.

Which representation shows a constant of proportionality of 5?

a)
b)
c)
d)
2.

It took Gabriel 7/10 of an hour to hike 1/4 of the three mile hike during 5th grade camp. If he hikes at this same pace, how long, in hours, would it take him to hike 6 miles?


a)

 2  8102\ \ \frac{8}{10}  

b)

 5 6105\ \frac{6}{10}  

c)

 1 4101\ \frac{4}{10}  

d)

 910\frac{9}{10}  

3.

Jayla applies lipgloss at a constant speed. In 3 minutes, she applies lipgloss 7 times. Which equation shows the relationship between x, the number of minutes, and y, the amount of lipgloss applied, in amount of applications?

a)

7y=x

b)

y = 37xy\ =\ \frac{3}{7}x


c)

3y=7x

d)

3x=y

4.

Unfortunately, cats poop a lot, and Ms. Monahan's kitten seems to be no exception. Right now, she is buying from a cat store down the block that charges $8.50 for 3/4 of a pound of kitty litter. The table here shows some competing prices. Which cat store charges less per pound of litter?

a)

Cat Store C only

b)

Cat Store B and A

c)

Cat Store B only

d)

Cat Store B and C

5.

The quotient of

 58\frac{5}{8}   ÷\div   310\frac{3}{10}  
is equivalent to

 1012\frac{10}{12}   ÷\div   xx  
What is the value of x?

4 lines
6.

Daniella and Chris run a 36-kilometer race. Both Chris and Daniella run at a constant speed. After 4 hours, Chris has half as far left to run as Daniella has. If Chris runs the entire race in 6 hours total, what is Daniella's speed, in kilometers per hour?

a)

12

b)

6

c)

3

d)

24

7.

 t = 1500 dt\ =\ \frac{1}{500\ }d 

On a flight from New York to London, an airplane travels at a constant speed. The equation above represents the relationship between the number of hours flying, t, and the distance traveled in miles, d. How long, in hours, will it take this airplane to travel 800 miles?

a)

6 hours

b)

1.6 hours

c)

5 hours

d)

500 hours

8.

Check off the following equations that represent proportional relationships

a)

y = 4x

b)

5y=3x

c)

y + 3 = 5x

d)

3y = 5x

e)

y = x5

9.

Does this represent a proportional relationship? Explain. The remaining length (L) of 120-inch rope after x inches have been cut off: 120 – x = L

4 lines
10.

What is the constant of proportionality for this table?

a)

N/A, not a proportional relaitonship

b)

1.5

c)

1.25

d)

0.8

11.

Using this graph, answer the following questions:

1. What do the coordinates (12,5) tell you about the graph?

2.What is the constant of proportionality?

4 lines