Edexcel IGCSE Math B 4.I straight-line graphs
Practise straight-line graph questions by plotting points from the equation or using two coordinates to find gradient and intercept.
- Syllabus
- First assessment 2018
- Course
- Math B 4MB1
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.
4.I Straight-line graphs question 1
[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),(32,0).
Marking notes:
Equivalent unambiguous y=2 and x=32 statements are allowed; the x-intercept must be exact.
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