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WorksheetsVariations
Total questions: 10
Worksheet time: 13mins
What is the standard equation of direct variation?
y = kx
y = k/x
y = kxz
y = kx/z
y is directly proportional to x, and y = 24 when x = 4.
What is the value of y when x = 3?
18
20
23
43
P is directly proportional to T.
Which of the following could be the graph connecting T and P?
y is inversely proportional to x, and y = 8 when x = 3
What is the equation?
y = 24x
y = 24/x
y = 24
x = 24
The time (t days) required to build a house is inversely proportional to the number of builders (n), all working at the same rate.
If there are 6 builders, it takes 80 days to complete the house.
How many builders must be employed to build the house in just 16 days?
1.2
25
30
36
The electrical voltage V varies jointly as the current I and the resistance R.
What is its translation?
V=klR
V=kR
V=k/IR
V=kI/R
z varies jointly as x and y and z = 60 when x = 5 and y = 6.
Find z when x = 7 and y = 6
84
60
24
30
w varies directly as x and y and inversely as v2 and w = 1200 when x = 4, y = 9 and v = 6. Find w when x = 3, y = 12, and v = 10.
432
4320
346
243
If y varies inversely as x and y = 3 when x = 4. What is its equation?
y = 12x
y = 12/x
y = x/12
y = 12
q varies jointly as r and s. If q = 2.4, when r = 0.6 and s = 0.8
Find its equation.
q=5rs
q =5/rs
q=5r/s
q=5r
