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Mathematics
8th -
9thgrade
Direct and Inverse Proportions
8 questions
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- 1. Multiple Choice
What type of proportion does the table represent?
Direct
Inverse
I dont' know
- 2. Multiple Choice
g is directly proportional to b
Given g=20 when b=4.
Find g when b=7
35
5
15
23
- 3. Multiple Choice
t is directly proportional to n2.
Given t=144 when n=6.
Find the equation for t and n.
t = 4n2
t = 4n
t = 24n
t = 6n2
- 4. Multiple Choice
t is inversely proportional to v
t=2 when v=6
Find the equation for t and v
t = 12/v
t = 1/3 v
t = 3/v
t = 12v
- 5. Multiple Choice
If z is inversely proportional to ∛w and z=5 when w=8,
find the value of w when z=100.
1
0.1
0.01
0.001
- 6. Multiple Choice
At Sec 2 camp, there is sufficient food for 48 students to last 6 days. If 12 students are absent from the camp, how many more days can the food last?
2
4
6
8
- 7. Multiple Choice
48 men were deployed to construct a bridge in 30 days.
How many days does it take for 8 men to construct the same bridge?
5
10
180
200
- 8. Multiple Choice
48 men were deployed to construct a bridge in 30 days.
How many days does it take for 16 men to construct 2 identical bridges?
150
160
180
190
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