Q&A #374

Reason for using "m" and "b" in y=mx+b

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From: Michelle Comeau
To: Teacher2Teacher Service
Date: Jun 18, 1998 at 09:00:05
Subject: Reason for using "m" and "b" in y=mx+b

When graphing a line, we teach the students to look for the location of the slope and y-intercept through the equation y=mx+b. Why is "m" used to represent slope and why is "b" used to represent y-intercept?

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