Question 1010801: A company has a manufacturing plant that is producing quality jackets. They find that in order to produce 180 jackets in a month, it will cost $5340. Also, to produce 400 jackets in a month, it will cost $8200. Find an equation in the form y=mx+b, where x is the number of jackets produced in a month and y is the monthly cost to do so
Answer by josmiceli(19441)   (Show Source):
You can put this solution on YOUR website! Plot cost,  , on the vertical axis and
number of jackets,  on the horizontal
axis. You are given 2 points, ( n, C ):
( 180, 5340 )
( 400, 8200 )
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Use the general point-slope formula:
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check answer:
( 180, 5340 )
OK
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You can check ( 400, 8200 )
Also they want to use x and y, so
 and 
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