Lesson details

Key learning points

  1. 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.

Licence

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3 Questions

Q1.
1. By using the graph, solve the equation 7=2x+2
x=-1
x=2
Correct answer: x=2.5
x=7
Q2.
2. By using the graph, solve the equation -3=5-2x
x=2.5
Correct answer: x=4
x=5
Q3.
3. By using the graph, solve the simultaneous equation y=5-2x and y=5x-2
x=0.4, y=-2
Correct answer: x=1, y=3
x=2.5, y=5

3 Questions

Q1.
Work out the gradient of the line.
0.5
Correct answer: 2
4
8
Q2.
Work out the gradient of the line.
-0.5
Correct answer: -2
2
4
Q3.
Work out the gradient of the line passing through the points (-5, -9) and (1, 3).
-0.5
-2
Correct answer: 2
4

Lesson appears in

UnitMaths / Revise - Linear and Quadratic Graphs

UnitMaths / Straight Line Graphs (y=mx+C)