Question 174511: I'm trying to create a system of linear equations using my running habbits. I run 2 miles on monday, 3 miles on wensday, and 4 miles on friday. I would like to use the variables x,y,z.
I came up with M=2M+3W+4F, but it's like a function instead of a system of linear equations like I'm trying to do..I'm stuck, please help:)
Answer by josmiceli(19441)   (Show Source):
You can put this solution on YOUR website! Let  = the number of miles run on a particular day
Let  = the day of the week with Moday = 0, tuesday = 1, etc.
If I try to make a plot of (x,y) points on a graph,
I have the points
{2,0)
(3,2)
(4,4)
Now I have to see what kind of curve goes through
these points. Hopefully, it's a straight line
The point-slope formula using the outside points is:
The equation would be
Does this equation contain the point (3,2)?
 yes
So, is the equation
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