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- 1. Multiple-choice3 minutes1 ptIn a direct variation, y=39 when x=3. Find the value of y when x=2.26358.52
- 2. Multiple-choice5 minutes1 pt
Suppose y varies directly with x when y=6 and x=18. What is y when x=72?
20
18
24
50
- 3. Multiple-choice5 minutes1 pt
Suppose y varies directly with x when y=6 and x=18. What is y when x=72?
20
18
24
50
- 4. Multiple-choice5 minutes1 pt
Suppose y varies directly with x when y=2 and x=5. What is y when x=35?
20
10
14
18
- 5. Multiple-choice5 minutes1 pt
Suppose y varies inversely with x. If y=16 when x=4, what is y when x=3?
21.3
12
15
3
- 6. Multiple-choice5 minutes1 pt
Suppose y varies inversely with x. If y=3 when x=5, what is x when y=2.5?
10
6
7
15
- 7. Multiple-choice5 minutes1 pt
Suppose y varies jointly with x and z, and y=24 when x=2 and z=1. Find y when x=12 and z=2.
288
48
24
144
- 8. Multiple-choice5 minutes1 pt
Suppose y varies directly with x, and y=8 when x=2. Find x when y=24
6
196
12
48
- 9. Multiple-choice5 minutes1 pt
If y varies directly as x and y=132 when x=11, find x when y=396.
33
22
4752
3.667
- 10. Multiple-choice5 minutes1 pt
If y varies jointly as x and z, and y=60 when x=3 and z=4, find y when x=6 and z=8.
240
120
480
60
