Co-ordinate Geometry - The Slope of a Line

Co-ordinate Geometry - The Slope of a Line

The Slope of a Line

• Measure of how steep a line is

• Can be negative or positive

Multiple Choice

Which line has a positive slope?

Multiple Choice

Which line has a negative slope?

How to find the Slope

We can find the slope in two ways.

--> Using the slope formula

 $\frac{y_2\ -\ y_1}{x_2\ -\ x_1}$  


--> Using the equation of the line

 $y\ =\ mx\ +\ c$