Year 8
Year 8

Linear and non-linear graphs

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Lesson details

Key learning points

  1. In this lesson, we will be looking at the relationship between x-ordinates and y-ordinates for linear and non-linear graphs.

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5 Questions

Q1.
John says, "In my line, all my y-ordinates are triple my x-ordinates". Tick the equation that represents John's line.
Correct answer: y = 3x
y = 4x
y = x - 3
y = x +3
Q2.
Jenny says, "In my line, all my y-ordinates are 5 less than my x-ordinates". Tick the equation that represents Jenny's line.
y = 5 - x
y = 5x
y = x + 5
Correct answer: y= x - 5
Q3.
Which of the following lines does the point (2,6) lie on?
y = 2x
Correct answer: y = 3x
y = x - 4
y = x +3
Q4.
Which of the following lines does the point (3,-6) lie on?
y = 2x - 4
y = 3x
Correct answer: y = x - 9
y = x + 8
Q5.
Which of the following coordinates lies on the line y=2x-1
Correct answer: (2,3)
(2,5)
(3,7)
(6,5)

5 Questions

Q1.
Which of the following coordinates lies on the line y=2x?
(2,1)
Correct answer: (2,4)
(3,5)
Q2.
What is a linear graph?
A circular graph
A curved line graph
Correct answer: A straight line graph
Q3.
Which of the following coordinate groups lie on linear graph?
Correct answer: (0,0), (1,1), (2,2), (3,3)
(0,0), (1,1), (2,4), (3,9)
(0,0), (1,1), (2,8), (3,27)
Q4.
Which of these is a linear graph with the coordinate (5,10)
y = 3x
y = 4x
Correct answer: y = x + 5
Q5.
Which of the following coordinates lies on a straight line with (2,5) and (5,8)?
(4,5)
Correct answer: (4,7)
(6,10)
(6,7)