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25 votes
25 votes
What is the rate of change between the points 6,45 and 9,67.5

User Khartnett
by
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1 Answer

17 votes
17 votes

Answer:

7.5

Explanation:

the slope m is a measure of the rate of change

Calculate m using the slope formula

m =
(y_(2)-y_(1) )/(x_(2)-x_(1) )

with (x₁, y₁ ) = (6, 45 ) and (x₂, y₂ ) = (9, 67.5 )

m =
(67.5-45)/(9-6) =
(22.5)/(3) = 7.5 ← rate of change

User Sardok
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