Introduction to Algebra (Cambridge (CIE) IGCSE International Maths: Extended): Exam Questions

$s=ut+\frac{1}{2}a{t}^2$

Find the value of $s$ when $u=5.2,t=7$ and $a=1.6.$

$s=$ ................................................ 

$y=mx+c$.

Find the value of y when $m=-2$, $x=-7$ and $c=-3$.

$y=$ .............................................. 

The body mass index, $B$ , for a person of mass $m$ kg and height $h$ metres is given by the formula

$B=\frac{m}{h^2}$

Usman has a mass of 50 kg.

He has a height of 1.57 m.

Work out Usman's body mass index.

Give your answer correct to one decimal place.

Tom's height is 1.80m. He wants his body mass index to be 21

Work out the mass that will give Tom a body mass index of 21.

$$\begin{gathered} A=4bc \\ A=100 \\ b=2 \end{gathered}$$

  Work out the value of  $c$.

$x=0.7$

Work out the value of  $\frac{{\left(x+1\right)}^2}{2x}$

Write down all the figures on your calculator display.

$w=5y^2–y^3$

Work out the value of $w$ when $y=–2$

$w=$...................................................

$G=c^2–4c$

Find the value of $G$ when $c=–5$

$G=$ .........................................

Find the value of $s$ when $u=12,$ $a=10$ and $t=4$.

$s=ut+\frac{1}{2}a{t}^2$

$y=\sqrt{u^{2}x}$

Find the value of $y$ when $u=7$ and $x=25$.

$y$ = ..............................................

$s=ut+\frac{1}{2}a{t}^2$

Find $s$ when $t=26.5,u=104.3,a=-2.2.$ 

Give your answer in standard form, correct to 4 significant figures.  

$s$ = .................................................... 

$\frac{a}{b}=3c$

$\frac{b}{c}=2$

Work out the value of $a$ when $c=8$

$a$and $b$ are positive values.

Show that  $\frac{7a+2b-3a}{8a+6b+2a-b}$ always simplifies to the same value.

Amy has $x$ beads.

Billy has three more beads than Amy.

Carly has four times as many beads as Billy.

Circle the expression for the number of beads that Carly has.