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Mathematics 21 Online
OpenStudy (anonymous):

The temperature was 56 degrees this morning but dropped one degree per hour through the rest of the day. Write the linear equation for this problem in y=mx+b form. Note: this equation has a negative slope (m).

OpenStudy (agreene):

This is similar to the other question. We know it was 56 deg when we started (y-intercept) and it went down at 1 deg / hr so it has a slope of -1 so we have: y= -x+56

OpenStudy (agreene):

or y= 56-x if you prefer.

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