CAIE IGCSE Mathematics Extended E3.2.1 Draw Straight Line Graphs for Linear Equations Questions

Practise Extended CAIE IGCSE Mathematics by plotting linear equations, choosing scales and reading graph coordinates.

Exam points

Draw a straight-line graph from a linear equation or table of values.
Use a suitable scale and plot points accurately on the graph.
Read coordinates and values from the resulting linear graph.

[Maximum number: 3]

Figure for Question CAIE IGCSE Mathematics Extended E3.2.1 Draw Straight Line Graphs for Linear Equations Questions question 1 — CAIE IGCSE Mathematics Extended

On the grid, draw the lines y=x and x+y=7.

$\begin{aligned}y&=x\text{ ruled}\\x+y&=7\text{ ruled}\end{aligned}$

B1 for y=x.
B2 for x+y=7, or B1 for a ruled line with gradient -1, or through (0,7) or (7,0), but not x=7 or y=7.

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CAIE IGCSE Mathematics Extended E3.2.1 Draw Straight Line Graphs for Linear Equations Questions question 1