WorksheetsVariation
Total questions: 10
Worksheet time: 4mins
Which is an example of a direct variation?
xy = 10
y = x2
y = 5x
y2=x
The speed r of a moving object is inversely proportional to the time t travelled is written as
r=kt
r= tk
t=kr
kr=t
A car travels a distance of d km in t hours. The formula that relates d to t is d=kt. What kind of variation is it?
Direct
Inverse
Joint
Combined
a varies inversely as b and a=10 when b = 2. Find the constant variation.
5
8
12
20
What happened to T when h is doubled in the equation T=4h?
T is halved
T is tripled
T is doubled
T becomes zero
What mathematical statement describes the graph
yx=24
y = 24x
y=x24
y=24x
If g varies jointly as h and i. If g = 24 when h = 3 and i = 2, find g when h = 5 and i = 3
4
24
30
60
If 3 men can do a portion of a job in 8days, how many men can do the same job in 6 days?
7
6
5
4
If r varies directly as s and inversely as the square or u, and r = 9 when s = 12 and u =2. Find r when s = 21 and u = 3.
3
5
7
9
Clark's income varies directly as the number of days that he works. If he earns P8,000 in 20 days. How much will he earn if she works in 40 days?
P 12,000
P16, 000
P 20,000
P 24, 000
