Question

What is the equation of the line that passes through the points (2, –1) and (6, 1)?

Answer 1

Have you heard of slope? To find the equation, use the formula:\[\frac{ y _{2- y1} }{ x _{2-x _{1}} }\]

Answer 2

I dont understand how to read those equations:

Answer 3

In other words, y2-y1/x2-x1. Have you heard of that before?

Answer 4

YES! :)

Answer 5

but which is y and which is x?