Edexcel IGCSE Math B 4 I Straight Line Graphs Questions

Practise straight-line graph questions by plotting points from the equation or using two coordinates to find gradient and intercept.

Exam points

Draw straight lines from equations such as 3y+x=-3 or x-y=4 on a grid.
Find the gradient and intercept from two coordinate points before writing y=mx+c.
Use the graph to read line information or label drawn straight lines accurately.

[Maximum number: 2]

The equation of the straight line L is
y=2-3x.

Find the exact coordinates of the points where L crosses the coordinate axes.

Coordinate-axis intersections:
$(0,2),\qquad \left(\frac23,0\right).$

Marking notes:
Equivalent unambiguous y=2 and $x=\frac23$ statements are allowed;
the x-intercept must be exact.

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Edexcel IGCSE Math B 4 I Straight Line Graphs Questions question 1