E.G
Gradient = 2
Co-ordinates = (6, 15)
y = mx + c
15 = 2 x 6 + c
15 = 12+c
C=3
y = 2x + 3
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A horizontal line has a slope of zero. The equation of a horizontal line is y = a.
When it is a linear equation.
It is a linear equation.
The equation of a line is y=mx+b, when m is the slope of the line and b is the y-intercept.
When a straight line equation is parallel to another equation the slope remains the same but the y intercept changes