Reply To: Week 7 Video Lessons

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Hi Savita,

y=mx+c is a standard form for straight lines. That is because by substituting specific values for m and c the equation always plots out to a straight, and all lines are inlcuded.
The nice thing about y=mx+c is that it turns out that m is the gradient (slope) of the line, and c is the intercept on the y-axis.

Another standard form for a straight line is ax+by=c, so y=mx+c is not the only one.

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