Mastering Straight Line Graphs
Mathematics
Grade 8
12 questions
~24 mins
0 views0 downloads
About This Worksheet
A worksheet covering the fundamental concepts and applications of straight line graphs for Grade 8 students.
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Mastering Straight Line Graphs
Subject: MathematicsGrade: Grade 8
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Date:
Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Write the equation of a straight line with a gradient of 3 and y-intercept of 2.
[2 marks]2.
Plot the line y = -2x + 4 on the graph grid.
[3 marks]3.
Determine the y-value when x = 5 for the line y = 0.5x - 1.
[2 marks]4.
Identify the slope and y-intercept of the line 2y = 4x + 6.
[2 marks]5.
For the equation y = -x + 5, find the coordinates of the point where the line crosses the y-axis.
[2 marks]6.
Calculate the gradient of the line passing through points (2, 3) and (4, 7).
[3 marks]7.
Write the equation of the line that passes through (1, 2) and has a gradient of 4.
[2 marks]8.
If a line has the equation y = -0.5x + 3, what is the y-value when x = 10?
[2 marks]9.
Determine whether the line y = 2x - 1 is increasing or decreasing.
[1 mark]AIncreasing
BDecreasing
CConstant
10.
Plot and interpret the graph of y = 0.5x + 1.
[3 marks]11.
Challenge: A line passes through (0, 2) and (3, 8). Find its equation and interpret its gradient.
[4 marks]12.
Real-world application: A car's speed (km/h) is modeled by y = 60 + 10x, where x is hours after 8 AM. Plot the speed at x = 0, 1, 2, and 3 hours.
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet