SOLUTION: what is the slope of the line that passes through the points (-2, -3) and (4, -1)? I forgot how to do this, and because I haven't done algebra since middle school I cant remembe

Algebra ->  Linear-equations -> SOLUTION: what is the slope of the line that passes through the points (-2, -3) and (4, -1)? I forgot how to do this, and because I haven't done algebra since middle school I cant remembe      Log On


   

Question 1178732: what is the slope of the line that passes through the points (-2, -3) and (4, -1)?
I forgot how to do this, and because I haven't done algebra since middle school I cant remember any of it.
Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

what is the slope of the line that passes through the points (-2,+-3) and (4, -1)
given two points with coordinates
(x%5B1%5D,+y%5B1%5D)=(-2,+-3) and
(x%5B2%5D,+y%5B2%5D)=(4, -1)
use a formula for a slope:

m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29.........substitute given values

m=%28-1-%28-3%29%29%2F%284-%28-2%29%29

m=%28-1%2B3%29%2F%284%2B2%29

m=2%2F6....simplify
m=1%2F3



Answer by ikleyn(52756) About Me  (Show Source):
You can put this solution on YOUR website!
.

See the lesson
    - Find the slope of a straight line in a coordinate plane passing through two given points
in this site.

From this lesson,  learn the subject once and for all.

As a bonus for you,  consider other closely related lessons in this site
    - Find the slope of a straight line in a coordinate plane passing through two given points
    - Equation for a straight line having a given slope and passing through a given point
    - Solving problems related to the slope of a straight line
    - Equation for a straight line in a coordinate plane passing through two given points
    - Equation for a straight line parallel to a given line and passing through a given point
    - Equation for a straight line perpendicular to a given line and passing through a given point

You have a happy opportunity to learn the entire subject from the compact and clearly written source.

Consider these lessons as your textbook,  handbook,  tutorials and  (free of charge)  home teacher.