SOLUTION: Write an equation of the line that passes through the given points . 1. (-3,-3), (2,1) Give the answer with the appropriate unit of measure. 2. -3 1/3 miles + 1 2/3 mil

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Question 891867: Write an equation of the line that passes through the given points .
1. (-3,-3), (2,1)

Give the answer with the appropriate unit of measure.
2. -3 1/3 miles + 1 2/3 miles

Found 2 solutions by josmiceli, JulietG:
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Use the general point-slope formula:
( -3,-3 ) , ( 2,1 )







------------------------
check:
( -3,-3 )





OK
You can check the other point

Answer by JulietG(1812)   (Show Source): You can put this solution on YOUR website!
The equation of a line: y=mx + b
m is the slope
b is the y-intercept
M = where x,y are the points given
In this case,
1 - -3 over 2 - -3
or m=
Now you have the m
y = x + b
Using one of your points (2,1), we can plug it in to the formula to get:
1 = *2+b
Subtract from each side
==b
Now go back to the equation y=x+b and add in the b
y=x-
.
Question #2:
-3 1/3 miles + 1 2/3 miles
-miles + miles = -miles, or -1miles

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