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SUBJECT OF THE FORMULAE

Authored by Jerry kembo

Mathematics

8th Grade

Used 49+ times

SUBJECT OF THE FORMULAE
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Make x the subject. y=25xy=2-5x

x=2y5x=\frac{2-y}{5}

y2=5xy-2=5x

2+y5=x\frac{-2+y}{5}=x

y2=5xy-2=-5x

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 p=wt32rp=\frac{wt}{32r}  make t the subject

 32rp=wt32rp=wt  

 p32rw=t\frac{p-32r}{w}=t  

 32rpw=t\frac{32rp}{w}=t  

 t32=rpw\frac{t}{32}=rpw  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 v=u +atv=u\ +at  make a the subject

 vu=atv-u=at  

 uvt=a\frac{u-v}{t}=a  

 vut=a\frac{v-u}{t}=a  

 vu+t=av-u+t=a  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 f=mvtf=\frac{mv}{t}  make m the subject

 ft=mft=m  

 tfv=m\frac{tf}{v}=m  

 tfv=m\frac{-tf}{v}=m  

 m=tfvm=tfv  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 pk +q=hpk\ +q=h  make p the subject

 p=hqkp=\frac{h-q}{k}  

 p=qhkp=\frac{q-h}{k}  

 h+qk=p\frac{h+q}{k}=p  

 hqk=p\frac{hq}{k}=p  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 g=p+gfg=p+gf  make g the subject

 gpf=g\frac{g-p}{f}=g  

 g=p1fg=\frac{p}{1-f}  

 p1+f=g\frac{p}{1+f}=g  

 1fp=g\frac{1-f}{p}=g  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 v=πr2hv=\pi r^2h  make h the subject

 h=vπr2h=\frac{v}{\pi r^2}  

 h=vπr2h=v\pi r^2  

 h=πvrh=\pi\sqrt{vr}  

 h=vr2πh=\frac{vr^2}{\pi}  

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