Free Printable RPA Changing subject 2

1.

$c=\sqrt{d}+2$ Make d the subject of the formula

a)

$d=\left(c-2\right)^2$

b)

$d=\left(c+2\right)^2$

c)

$d=c^2-2$

d)

$d=c^2+2$

2.

Express v in terms of t

$t=\frac{v}{4}+1$

a)

$v=4\left(t-1\right)$

b)

$v=4\left(t+1\right)$

c)

$v=4t-1$

d)

$v=4t+1$

3.

Make p the subject of the formula $d=\frac{p}{1+p}$ .

a)

$p=\frac{d}{1+d}$

b)

$p=\frac{d}{1-d}$

c)

$p=\frac{1+d}{d}$

d)

$p=\frac{1-d}{d}$

4.

Make s the subject of the formula $v^2=u^2+2fs$ .

a)

$s=\frac{v^2+u^2}{2f}$

b)

$s=\frac{v^2-u^2}{2f}$

c)

$s=\frac{v^2}{u^2-2f}$

d)

$s=\frac{u^2}{v_{ }^2+2f}$

5.

Make l the subject of the formula $t=2\pi\sqrt{\frac{l}{g}}$ .

a)

$l=\frac{Tg}{4\pi^2}$

b)

$l=\frac{T^2g}{4^2\pi}$

c)

$l=\frac{T^2g}{4\pi^2}$

d)

$l=\frac{T^2g}{4\pi}$

6.

$\frac{m+7}{2}=y$

Make m the subject of the formula.

a)

m=y-14

b)

m=7+2y

c)

m=2y+7

d)

m=2y-7

7.

Make b the subject of the formula

$a^2+b^2=c^2$

a)

$b=\sqrt{c^2-a^2}$

b)

$b=\sqrt{a^2-c^2}$

c)

$b=\sqrt{c^2+a^2}$

d)

$b=\sqrt{a^2+c^2}$

8.

Make m the subject of the formula.

36m=x^2

a)

$m=\frac{x^2}{36}$

b)

$m=x^2-36$

c)

$m=36-x^2$

d)

$m=\frac{36}{x^2}$

9.

Make y the subject of the formula.

x=3y-z

a)

y=3x-z

b)

$y=\frac{x+z}{3}$

c)

$y=\frac{z-x}{3}$

d)

y=3z+x

10.

$dx+e=f$
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)

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

RPA Changing subject 2

Total questions: 10

Worksheet time: 7mins

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