Free Printable Variation

1.

The cost c varies directly as the number n of pencils is written as

a)

$c=kn$

b)

$k=cn$

c)

n=\frac{k}{c}

d)

$c=\frac{k}{n}$

2.

The speed r of a moving object is inversely proportional to the time t travelled is written as

a)

$r=kt$

b)

$r=\frac{k}{t}$

c)

$t=kr$

d)

$\frac{r}{k}=r$

3.

Which is an example of a direct variation?

a)

$xy=10$

b)

$y=\frac{2}{x}$

c)

$y=5x$

d)

$\frac{2}{y}=x$

4.

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?

a)

direct

b)

inverse

c)

joint

d)

joint

5.

y varies directly as x and y = 32 when x = 4. Find the constant of variation.

a)

8

b)

36

c)

28

d)

128

6.

What happens to T when h is doubled in the equation T = 4h?

a)

T is halved

b)

T is tripled

c)

T is doubled

d)

T becomes zero

7.

If y varies directly as x and y = 12 when x = 4, find y when x = 12.

a)

3

b)

4

c)

36

d)

48

8.

Mackee’s income varies directly as the number of days that she works. If she earns Php 8,000.00 in 20 days, how much will she earn if she worked 3 times as long?

a)

Php 26,000

b)

Php 24,000

c)

Php 20,000

d)

Php 16,000

9.

If s varies directly as t and inversely as v, then which of the following equations describes the relation among the three variables s, t, and v?

a)

$s=\frac{k}{tv}$

b)

$s=\frac{kv}{t}$

c)

$\frac{1}{s}=\frac{kt}{v}$

d)

$s=\frac{kt}{v}$

10.

What is your name?

4 lines

Variation

Total questions: 10

Worksheet time: 13mins

Similar Resources on Wayground