Find the slope of a line that passes through (-2,-3) and (1,1).

Question

a) 1/3
b) 1
c) 2
d) 4/3

Answer 1

(Y2-Y1)/(X2-X1) = (1+3) /(1+2)

= 4/3

Answer 2

By the way , that is algebra, and it is linear, but it is not "linear algebra"
Google "linear algebra "
:)

Answer 3

Here you go:
http://en.wikipedia.org/wiki/Linear_algebra