Algebra Toolkit (Cambridge (CIE) IGCSE Maths: Extended): Exam Questions

$y=mx+c$  

Find the value of $y$ when $m=-3$, $x=-2$ and $c=-8$.  

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

Simplify.

$2p-q-3q-5p$

Complete the statement.

When $5x=15$, $12x=$....................

$y=x^4-4x^3$

Find the value of $y$ when $x=-1$.

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

One solution of the equation $a{x}^2+a=150$ is $x=7$.

Find the value of $a$.  

$a$ = .................................................... 

Find the other solution.  

$x$ = .................................................... 

$y=p-2q{x}^2$

$p=-10$

$q=3$

$x=-5$

Work out the value of $y$.

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

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

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.

Kelly is trying to work out the two values of w for which $3w-w^3=2$

Her values are 1 and -1

Are her values correct?
You must show your working.