How do you find the equation of the straight line joining: (3, -1), (5, 4)?
1 Answer
Mar 28, 2017
Explanation:
Firstly, there are two different formula that can be used to answer the question:
or
The first formula will take more time to work through, as you have to rearrange to find
Now we have the gradient, simply choose a point and use the second formula: