SOLUTION: THE 75TH TERM OF AN ARITHMETIC SEQUENCE IS 301. THE FIRST TERM IS 5. WHAT IS THE COMMON DIFFERENCE??

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Question 250627: THE 75TH TERM OF AN ARITHMETIC SEQUENCE IS 301. THE FIRST TERM IS 5. WHAT IS THE COMMON DIFFERENCE??
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
We have coordinates here: (75, 301) and (1,5).
To find the common difference, we need the slope formula:
%28Y2+-+Y1%29+%2F+%28X2+-+X1%29
Putting in our X,Y coordinates, we get
%28301-5%29%2F%2875-1%29
which is
296/74 = 4.
The common difference is 4.