Question

find the equation of the line containing the given pair of points. (-6,-6) (2,2)

Answer 1

If you plot the graph, you will see that m=1 (45º). (m is the slope...)
so using the formula :
(y-yo)=m(x-xo)
and replace the value of point (2,2) for example..

we'll have

y-2=1(x-2)

y=x

Answer 2

Did you get?

Answer 3

yes

Answer 4

ok! have a good study!