Free Printable CHANGING THE SUBJECT

1.

$ax+r\ =\ 7\ \ Solve\ for\ r.$

a)

$r=\frac{7}{ax}$

b)

$r=7-ax$

c)

$r=7+ax$

d)

$r=7ax$

2.

$p=\frac{w}{a}$ Solve for w.

a)

$w=pa$

b)

$w=\frac{p}{a}$

c)

$w=\frac{a}{p}$

d)

$w=p+a$ I

3.

Solve for a.

a)

$a=pw$

b)

$a=\frac{p}{w}$

c)

$a=\frac{w}{p}$

d)

$a=w+p$

4.

$8x+4y=16$

Solve for y:

a)

$y=-8x+16$

b)

$y=2x-4$

c)

$y=-2x+4$

d)

$y=-8x+12$

5.

$IR=V$ $Solve\ for\ R$

a)

$R=IV$

b)

$R=\frac{I}{V}$

c)

$R=\frac{V}{I}$

d)

$R=V-I$

6.

Solve for x:

a)

x = yb - v

b)

x = by - v

c)

x = by + v

7.

$dx+e=f$
Which expression represents the value of x in the equation:

a)

$x=\frac{f+e}{d}$

b)

$x=\frac{f-e}{d}$

c)

$x=\frac{d}{e-f}$

d)

$x=\frac{d}{e+f}$

8.

a)

$T=\frac{PV}{K}$

b)

$T=\frac{PK}{V}$

c)

$T=\frac{KV}{P}$

d)

$T+P=PV$

9.

Solve the literal equation for the given variable.

a)

$\frac{2A}{h}$

b)

$\frac{2}{h}$

c)

$2Ah$

d)

$\frac{Ah}{2}$

10.

Solve for 'a' if:

a = 2(3 + 6)

a)

a = 24

b)

a = 9

c)

a = 18

d)

a = 0

11.

Re-arrange to make 'e' the subject given:
3e + 6 = e + 6

a)

e = 0

b)

e = 1

c)

e = 0.5

d)

e = - 3

12.

Solve for 'b' if:
(3b + 6) = 12

a)

b = 6

b)

b = 2

c)

b = ½

d)

b = ⅙

CHANGING THE SUBJECT

Total questions: 12

Worksheet time: 23mins

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