(a)[1]
State the equation for $L_1$.
(b)[2]
Determine the equation of $L_2$. Write your answer in the form $y = mx + c$.
(c(i))[3]
Show that the equation of $L_3$ is $y = 2x - 1$.
(c(ii))[5]
Work out the length of $CD$.
Mathematics 0580 · IGCSE · Equations of linear graphs
Equations of linear graphs — practice question
A lies at $(0,4)$ and B lies at $(8,0)$. $L_1$ runs parallel to the $x$-axis. $L_2$ goes through A and B.