Mathematics 0580 · IGCSE · Equations of linear graphs

Equations of linear graphs — practice question

The equation of line $L$ is $y = 2(x - 5)$.

(a)[1]

Find the coordinates of the point where line $L$ crosses the $y$-axis.

(b)[2]

Find the $x$-coordinate of the point where line $L$ intersects the line $y = 19$.

(c)[3]

Find the equation of line $P$. Write your answer in the form $y = mx + c$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Point: $(0,-10)$” …