How do I solve 8, 9, and 10?

8)

9)

10)

Step-by-step explanation:

We can use the definition of a line:

where and co-ordinates of a point on that line, and where is the gradient of the line.

We can work out the gradient of the line by looking at the differential, or the change in y compared to the change in x.

where and are two distinct points on the line.

You now have the tools needed to go about answering these questions!

3/6   and 9/18

step-by-step explanation:

30

step-by-step explanation:

times by times