Plotting Graphs
To plot a graph without you knowing the x and y points, you will need to find it FROM THE EQUATION YOU HAVE BEEN GIVEN.
For example:
y=2x-4
if (y=0) => 0=2x-4
=> 4=2x
=> 4/2=2x/2
=> x=2
if (x=0) => y=2(0)-4
=> y= -4
Thus, the points on the graph will be (2,0) and (0,-4).
7 comments:
Hope you did alright on your maths test.
Ah! So that's how its done, thanks for the reminder!
This has shown me how it's done.
i managed to get it right as well
never been good at maths but this is a great example that breaks down the steps great page nice and simple
I don't enjoy maths at all
Yup! I really hope that this a simple explaination for all of you as I have tried to break things down. ^^
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