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May 22, 2013

# Homework Help: URGENT HELP QUICK math rate of change

Posted by chelsea on Thursday, June 9, 2011 at 7:51am.

A line with a slope of -2 passes through the point (1, 7). What is the closest point on the line above (1, 7) which has whole number coordinates?

• URGENT HELP QUICK math rate of change - Reiny, Thursday, June 9, 2011 at 8:18am

It is easy to "step off" points above and below by using the rise/run = -2/1 slope definition, that is, add 1 to the y value, add -2 to the x value or
add -1 to y and +2 to the x

other points:
(0,9) (-1,11) (-2,13) , (notice the slope between any pair is -2)

looks like (0,9) is it

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