Edexcel A Level

Straight Lines

Matching Lines 1
Each example shows some points on a straight line, but with at least one point wrongly placed. Use the sliders to plot the correct lines, and see the mistakes highlighted.
Matching Lines 2
You can select eight green lines on this page. Using the sliders to match the blue line to the green line will reveal the equation in each case, but can you say what the equation is before making the match?
Matching Lines 3
You can select ten green lines on this page. Using the sliders to matching the blue line to the green line will reveal the equation in each case, but can you say what the equation is before making the match?
Line as ax + by = c
Use the display below to investigate straight lines with equations of the form $\color{blue}{ax + by = c}$.