Linear graphs horizontal vertical PixiPPt.pptx

Friday 31 January 2025
Horizontal and Vertical
Straight Line Graphs
Q Centre
1
2
3
4
5
6
7
8
9
𝐷 𝐶
𝐵
𝐴
Point is always
opposite point :
But the square
could change
orientation:
𝐷
𝐶
𝐵
𝐴
The points are
always read
anti-clockwise
around the
square
Starter

Q Centre
1
2
3
4
5
6
7
8
9
𝐷 𝐶
𝐵
𝐴
Point is always
opposite point :
But the square
could change
orientation:
𝐷
𝐶
𝐵
𝐴
The points are
always read
anti-clockwise
around the
square
Answers

Answers
1 2 3
4 5 6
7 8 9

Horizontal Straight Lines
Here is a horizontal straight line graph
drawn on axes.
The points (0,5), (1,5), (2,5), (3,5), (4,5)
and (5,5) are on the line.
They have the same -value of 5
Therefore the line is called
Horizontal Lines parallel to the
-axis have points whose -
values are all the same.

Vertical Straight Lines
Here is a vertical straight line graph
drawn on axes.
The points (3,1), (3,2), (3,3), (3,4), (3,5)
and (3,6) are on the line.
They have the same -value of 3
Therefore the line is called
Vertical Lines parallel to the -
axis have points whose -values
are all the same.

Horizontal
Parallel to the -axis
Vertical
Parallel to the -axis
𝑥=3 𝑦=2 𝑥=0 𝑦=7 𝑥=1 𝑦=0
𝑦=3 𝑥=5
Put the following equations into the right column.

Write the equations for each of these lines.
A
F
E D
C
B
A:
Answers
B:
C:
D:
E:
F:

Sketch the following graphs on the
same set of axes.
A
F
E D
C
B
A:
Answers
B:
C: 3
D:
E:
F:

True /
False
True /
False
True /
False
True /
False
True /
False
True /
False
True /
False
True /
False
True /
False
𝑦 =2
𝑥 =0
𝑥 =0
𝑥 =2
𝑥 = 4
𝑦 =1
𝑥 =2
𝑦 =2
𝑦 =0

Write down the equation of the two missing lines needed to complete these
squares.

Answers

Task
1. Write the function that is parallel to and goes through the coordinate
2. Write the function that is parallel to and goes through the coordinate
3. Write the function that is a reflection of in the -axis
6. Write the function when is translated right three units
7. Write the function when is translated down four units
8. Write the function when is translated two units up

Keywords
Positive, negative, substitute, coordinates, straight line, gradient, slope,
simultaneous, intersection, intercept
Lesson
Objectives:
Developing
students will be
able to identify the
gradient and -
intercept in a linear
equation.
Secure students
will be able to
sketch a linear
equation using the
gradient and -
intercept.
Excelling students
will be able to
rearrange
equations to
determine the
gradient and -
intercept.
Sketching Straight Line Graphs
(using and )
3 things you knew already
2 things you
learnt today
1 question about
today’s topic

Linear graphs horizontal vertical PixiPPt.pptx

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