depreciation formula for tractor, in slope-intercept form?

[acelethal]

i calculated the depreciated value but i'm not sure how to present it in "slope intercept form"

a farmer buys a new tractor for 151000$. the trade in value is 84000$ after 10 years. the depreciation is linear.
i have to find the linear model for the depreciated value after t years in slope intercept form?

i not sure how to tackle that last part...any help would be greatly appreciated...

 

[stapel]

a farmer buys a new tractor for 151000$. the trade in value is 84000$ after 10 years. the depreciation is linear. ...[F]ind the linear model for the depreciated value after t years in slope intercept form

They have given you two points, and have asked you to find the equation of the line through those points.

Do you know how to state the points? Do you know how to find the slope of the line through those points? Are you familiar with any of the forms of a straight line? Can you solve a linear equation for "y="?

(We can try to find lesson links for you, so that you can learn about whichever is "the last bit" on which you are requesting instruction. But it would help if you could narrow the search parameters. For instance, the above question assume that you are familiar with variables and working with simple equations. If that is not true, you would need to state this.)

Thank you!

Eliz.

 

[Deleted member 4993]

Re: depreciation and intercept form?

i calculated the depreciated value but i'm not sure how to present it in "slope intercept form"

a farmer buys a new tractor for 151000$. the trade in value is 84000$ after 10 years. the depreciation is linear.
i have to find the linear model for the depreciated value after t years in slope intercept form?

i not sure how to tackle that last part...any help would be greatly appreciated...

Slope-intercept form of line

\(\displaystyle y \, = \, m\cdot x \, + \, b\)

Where m is the slope of the line and 'b' is the intercept.

I advise you to go to:

http://www.purplemath.com/modules/strtlneq.htm

and get a good review.