1)

a)

a)

b) 20

c) 6

d) 12

2)

a)

c) 6

d) 12

2)

a)

b) 75

c) 10

d) 450

3)

a) 3.5

b) 2

c) 49

4)

a)

c) 10

d) 450

3)

a) 3.5

b) 2

c) 49

4)

a)

b) 0.25

c) 16

d) 5

5)

a)

c) 16

d) 5

5)

a)

b) 3

c) 2

d) 60

6)

a) 591

b) 236.4

c) 4.9

c) 2

d) 60

6)

a) 591

b) 236.4

c) 4.9

**Working**

**Questions**

You can use a calculator for the questions in this quiz.

1)

*a*is inversely proportional to

*b*. When the value of

*a*is 15,

*b*is 4.

a) Form an equation for

*a*in terms of

*b*.

b) Find the value of

*a*when

*b*is 3.

c) Find the value of

*a*when

*b*is 10.

d) Find the value of

*b*when

*a*is 5.

2)

*c*is inversely proportional to

*d*. When the value of

*c*is 25,

*d*is 9.

a) Form an equation for

*c*in terms of

*d*.

b) Find the value of

*c*when

*d*is 3.

c) Find the value of

*d*when

*c*is 22.5.

d) Find the value of

*c*when

*d*is 0.5.

3)

*e*is inversely proportional to

*f*. When the value of

*e*is 21,

*f*is 14.

a) Find the value of

*e*when

*f*is 84.

b) Find the value of

*f*when

*e*is 147.

c) Find the value of

*e*when

*f*is 6.

4)

*g*is inversely proportional to

*h*. When the value of

*g*is 640,

*h*is 0.2.

a) Form an equation for

*g*in terms of

*h*.

b) Find the value of

*h*when

*g*is 512.

c) Find the value of

*g*when

*h*is 8.

d) Find the value of

*g*when

*h*is 25.6.

5)

When

a) Form an equation for

b) Find the value of

c) Find the value of

d) Find the value of

6)

*i*is 4,*j*is 6.a) Form an equation for

*i*in terms of*j*.b) Find the value of

*j*when*i*is 8.c) Find the value of

*i*when*j*is 12.d) Find the value of

*i*when*j*is 0.4.6)

When *m* is 394, *n* is 0.3.

a) Find the value of *m* when *n* is ^{1}/_{5}.

b) Find the value of *n* when *m* is 0.5.

c) Find the value of *m* when *n* is 24. Give you answer to one decimal place.