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14 questions
y is directly proportional to x. y=2 when x=4, which of the following is the correct equation connecting y and x.
$y=\frac{x}{2}$
$y=2x$
$y=4x$
Y varies directly as x. If y = 12 when x = 15, what is y when x = 20?
4/5
17
16
25
Which equation exhibits a direct proportion?
y = 5x - 2
y = 3/4 x
y - x = 4
x = 6
Is this a direct proportion?
y=2x
yes
no
Which of the given graphs is a direct proportion?
A
B
C
D
What kind of relation exists between y and x ?
Linear equation
Direct proportion
Inverse proportion
Joint variation
Which graph represents an inverse proportion relationship?
Given that y is inversely proportional to x, what is the general equation?
Which statement best describes an inverse proportion relationship between y and x?
y increases then x will decrease
y increases then x will increase
y increases then x will remain the same
y decreases then x will decrease
6 men can paint a building in 15 days. Find the number of days taken for 5 men to paint the same building.
10
14
18
22
If 8 men can assemble 28 cars in one day, how many cars can 20 men assemble in one day?
60
70
80
90
Ten identical pipes turned on simultaneously can fill a swimming pool in 9 hours. How long will it take 6 pipes to fill the same swimming pool?
12
13
14
15
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
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