Review of linear graphs
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Key learning points
- In this lesson, we will revisit equations for linear graphs and coordinates and investigate the relationship between solving simultaneous equations, and their appearance when plotted.
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5 Questions
Q1.
In y = 3x + 2, what does the 3 represent?
The x-ordinates
The y-intercept
The y-ordinates
Q2.
In y = 3x + 2, what does the 2 represent?
The gradient
The x-ordinate
The y-ordinates
Q3.
Which of the following coordinates lies on y = 2x - 4?
(-2, -6)
(2, 2)
(3, 4)
Q4.
Which of the following coordinates lies on y = -3x + 1?
(-1, -2)
(1, -4)
(3, -10)
Q5.
Why will y = 3x - 5 and y = 3x + 1 NOT intersect?
Because the gradients are too large.
Because the y-intercept has a negative.
Because the y-intersects are too far apart.