Year 11
Higher
Find the gradient of a line
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Lesson details
Key learning points
- In this lesson, we will revise the term 'gradient' and learn how to identify and calculate the gradient of a plotted line using two pairs of coordinates. We will compare lines with different gradients.
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3 Questions
Q1.
1. By using the graph, solve the equation 7=2x+2
x=-1
x=2
x=7
Q2.
2. By using the graph, solve the equation -3=5-2x
x=2.5
x=5
Q3.
3. By using the graph, solve the simultaneous equation y=5-2x and y=5x-2
x=0.4, y=-2
x=2.5, y=5
3 Questions
Q1.
Work out the gradient of the line.
0.5
4
8
Q2.
Work out the gradient of the line.
-0.5
2
4
Q3.
Work out the gradient of the line passing through the points (-5, -9) and (1, 3).
-0.5
-2
4