Changing subject of formula

Make w the subject of the formula

 $y=3w-a$  

•  $w=\frac{y}{3}+a$  

•  $w=y+\frac{a}{3}$  

•  $w=\frac{y+a}{3}$  

•  $w=\frac{y-a}{3}$  

Tags

CCSS.HSA.CED.A.4

Make w the subject of the formula

 $s=\frac{w}{a}$  

•  $w=\frac{s}{a}$  

•  $w=sa$  

•  $w=\frac{a}{s}$  

•  $w=s+a$  

Tags

CCSS.HSA.CED.A.4

 $v=u+10t$  Make u the subject of the formula

•  $u=v-10t$  

•  $u=v+10t$  

•  $u=\frac{v}{10t}$  

•  $u=\frac{v}{-10t}$  

Tags

CCSS.HSA.CED.A.4

 $s=\frac{hm}{4}$  Make m the subject of the formula

•  $m=\frac{4s}{h}$  

•  $m=\frac{sh}{4}$  

•  $m=\frac{h}{4s}$  

•  $m=\frac{s}{4h}$  

Tags

CCSS.HSA.CED.A.4

Express v in terms of t

 $t=\frac{v}{4}+1$  

•  $v=4\left(t-1\right)$  

•  $v=4\left(t+1\right)$  

•  $v=4t-1$  

•  $v=4t+1$  

Tags

CCSS.HSA.CED.A.4

Make b the subject of the formula

 $a^2+b^2=c^2$  

•  $b=\sqrt{c^2-a^2}$  

•  $b=\sqrt{a^2-c^2}$  

•  $b=\sqrt{c^2+a^2}$  

•  $b=\sqrt{a^2+c^2}$  

Tags

CCSS.HSA.CED.A.4

Make x the subject of the formula.

7x=y

• $x=\frac{y}{7}$

• x=7y

• x=7+y

• x=7-y

Make x the subject of the formula.

y=x+6

• x=y+6

• x=y-6

• $x=\frac{y}{6}$

• x=6y

Make b the subject of the formula  $A=\frac{1}{2}\left(a+b\right)h$  .

•  $b=\frac{h}{2A}-a$  

•  $b=\frac{2A}{h}+a$  

•  $b=\frac{2A}{h}-a$  

•  $b=\frac{h}{2A}+a$  

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

•  $p=\frac{d}{1+d}$  

•  $p=\frac{d}{1-d}$  

•  $p=\frac{1+d}{d}$  

•  $p=\frac{1-d}{d}$