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Year 9 Linear Relationships Quiz 1
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If y = -3x + 8 the value of y when x = -5 is
1 point
-7
-23
7
23
Clear selection
Which point is NOT on the line 2x + y = 12?
1 point
(5, 2)
(4, 8)
(12, -12)
(3, 6)
Clear selection
The equation of the red line shown is
1 point
y = x – 2
y = x + 2
y = 2x – 2
y = 2x + 2
Clear selection
The equation of the line through the point (4, 7) parallel to the x axis
1 point
x = 4
x = 7
y = 4
y = 7
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The gradient of the line below is
1 point
A
B
C
D
Clear selection
The gradient of the line below is
1 point
1
0
–1
undefined
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The gradient of the line below is
1 point
1
0
–1
undefined
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Which pair of coordinates fits the rule y = 3x
1 point
(3, 1)
(3, 6)
(2, 6)
(–1, 5)
Clear selection
A linear equation written in the form y = mx + b is in
1 point
y-intercept
point-slope form
gradient-intercept form
standard form
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Find the slope and the y-intercept of the graph of the linear equation. y = -7x + 2
1 point
A
B
C
D
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Find the slope and the y-intercept of the graph of the linear equation. 2x + y = 7
1 point
A
B
C
D
Clear selection
What is the equation of the line parallel to the y axis passing through the point shown?
1 point
y = –2
x = –2
y = 2
y = 4
Clear selection
Find the gradient of the line through the points.(–7, 7), (–1, 10)
1 point
½
0
2
undifined
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The midpoint of the interval joining the points (5, 9) and (-7, 1) is
1 point
(1, -5)
(-1, -5)
(1, 5)
(–1, 5)
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The graph shows the increase in height of a tree over a number of years. Calculate the rate of increase in centimetres per year.
1 point
70
84
120
144
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The table below is a linear relationship. Which equation represents the linear relation?
1 point
D = 5t
D = 10t
D = 10t + 5
D = 10t + 10
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Which best describes the lines y = 3x – 4 and y = -3x – 4
1 point
same y-intercept
same y-intercept and parallel
same y-intercept and perpendicular
parallel lines
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What is the equation of the line shown
1 point
y = –x – 8
y = –x + 8
y = x + 8
y = x – 8
Clear selection
1 point
A
B
C
D
Clear selection
1 point
A
B
C
D
Clear selection
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