Linear Equations
Model linear relationships
Interactive practice questions
The perimeter of the trapezium below is $27$27 centimetres.
a
Use the perimeter to form an equation in terms of $x$x and $y$y.
Give your answer in standard form, $Ax+By+C=0$Ax+By+C=0.
b
If $x$x is $5$5 cm, find the value of $y$y.
Easy
2min
A carpenter charges a callout fee of $£150$£150 plus $£45$£45 per hour.
Easy
2min
The table shows the linear relationship between the number of plastic chairs manufactured and the total manufacturing cost.
Easy
5min
The table shows the water level of a well that is being emptied at a constant rate with a pump.
Easy
6min
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