SOLUTION: The Price of a gallon of a mile was $2.20 in the year 2000. In 2003, the price had risen to $2.84. Write a linear equation relating the year with the price. Let t=0 represent the y

Question 1134481: The Price of a gallon of a mile was $2.20 in the year 2000. In 2003, the price had risen to $2.84. Write a linear equation relating the year with the price. Let t=0 represent the year 2000.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
You are given 2 points on a straight line
Plot years elapsed, on the horizontal axis
Plot price, , per gallon on the vertical axis
------------------------------------
( t, p )
( 0, 2.2 )
( 3, 2.84 )
----------------
Use the general point-slope formula:

multiply both sides by

---------------------------------
check:
( 0, 2.2 )

( 3, 2.84 )

OK

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