SOLUTION: in a linear function f(x) with a graph that has a slope of -2.5, if f(5) =8,
what is the value of f(1)
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Question 1062860: in a linear function f(x) with a graph that has a slope of -2.5, if f(5) =8,
what is the value of f(1)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The general form is:
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This is the point ( 5,8 ), so
------------------------
The equation is:
-------------------------
check:
does the line go through ( 5,8 ) ?
Does it go through ( 1,18 ) ?
OK
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