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

Draw straight-line graphs from linear equations by finding coordinate pairs or intercepts, plotting them on the given grid and joining them with a ruled line.

Exam points

Draw ruled straight lines from linear equations using correct intercepts and slope.

[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