SOLUTION: At Martin Nature Center, the park ranger was showing Mrs. Rhames' class a comparison of a tree's age and the diameter of the tree trunk in inches. The ranger showed them one oak

Question 1042509: At Martin Nature Center, the park ranger was showing Mrs. Rhames' class a comparison of a tree's age and the diameter of the tree trunk in inches.
The ranger showed them one oak tree that was 1 year old. It had a trunk diameter of 4 inches. Another oak tree was 10 years old. It had a trunk diameter of 25 inches.
Assuming a linear equation fits the situation, what would be the equation of that line?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Plot tree diameter on the vertical axis and
time in years on the horizontal axis
-------------------
You are given 2 point on the line:
( 1,4 )
( 10,25 )
-------------
Use the general point-slope formula

Multiply both sides by

-----------------------
check the answer:
does the line go through
( 1,4 )
( 10,25 ) ?
------------

and

OK
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