**Q2: **

Which of the following relations represent a direct variation between the two variables and ?

- A
- B
- C
- D

**Q4: **

A car moves with a uniform velocity where the distance varies directly with time. If the car travels a distance of 231 km in 9 hours, how far will it travel in 15 hours?

**Q7: **

Matthew works 37 hours a week and is paid $416.25. Given that , the amount in dollars that Matthew earns, varies directly with , the number of hours he works, write an equation for in terms of .

- A
- B
- C
- D
- E

**Q8: **

The amount a babysitter earns varies directly with the number of hours they work. A babysitter earns $25.50 for 3 hours of babysitting.

How much would they earn for 2 hours of babysitting?

Write an equation for , the number of dollars earned for hours of babysitting.

- A
- B
- C
- D
- E

**Q9: **

If varies directly with and when , what is the value of when ?

**Q10: **

If varies directly with and when , find the value of when .

**Q11: **

Liam is 1.6 m tall, and his shadow is 4 m long. He is standing near a tree whose shadow is 22 m long.

How tall is the tree?

**Q12: **

The cost of hiring a small car for 4 days is $170. What would the cost to hire the car for a week at the same rate be? Give your answer to two decimal places if necessary.

**Q13: **

Given that varies directly with , and when , write an equation for in terms of .

- A
- B
- C
- D
- E

**Q14: **

Given that varies directly as , write an equation for in terms of using as a non-zero constant.

- A
- B
- C
- D

**Q15: **

Given that varies directly with , and when , write an equation for in terms of .

- A
- B
- C
- D
- E

**Q16: **

Given that varies directly with , and when , write an equation for in terms of .

- A
- B
- C
- D
- E

**Q17: **

Olivia uses cups of flour to make 20 cookies. She makes a second batch using cups of flour to make 30 cookies. Is the amount of flour she uses directly proportional to the number of cookies she bakes?

- Ayes
- Bno

**Q18: **

Use the data in the table to find the values of and .

136 | 204 | 884 | 1 360 | ||

70 | 420 | 455 | 700 |

- A ,
- B ,
- C ,
- D ,
- E ,

**Q19: **

Which table does NOT show varying directly with ?

- A
10 20 30 2 4 6 - B
1 2 3 12 24 36 - C
2 0 8 0 - D
5 3 1 6 10 30 - E
2 4 6 1.5 3 4.5