y=x
y = x+ 4
y = x– 4
x -1 0 1
y -1 0 1
x -1 0 1
y 3 4 5
x -1 0 1
y -5 -4 -3
y 5
y 5
y 5
0
5x
0
5x
5x
0
The gradient of
the line is 1.
The gradient of
the line is 1.
The gradient of
the line is 1.
The y-intercept
of the line is 0.
The y-intercept
of the line is 4.
The y-intercept
of the line is –4.
y = x+ 3
y = 2x
y = x– 3
x -1 0 1
y 2 3 4
x -1 0 1
y -4 -3 -2
x -1 0 1
y -2 0 2
y 5
y 5
y 5
0
5x
0
5
0
5x
The gradient of
the line is 1.
The gradient of
the line is 1.
The gradient of
the line is 2.
The y-intercept
of the line is 3.
The y-intercept
of the line is –3.
The y-intercept
of the line is 0.
y = 4x
y = 3x + 2
y = 4x - 1
x -1 0 1
y -4 0 4
x -1 0 1
y -1 2 5
x -1 0 1
y -5 -1 3
y5
y 5
y 5
0
5x
0
5x
0
5x
The gradient of
the line is 4.
The gradient of
the line is 3.
The gradient of
the line is 4.
The y-intercept
of the line is 0.
The y-intercept
of the line is 2.
The y-intercept
of the line is -1.