Math 10 Week #16

This week we discussed how to write different equations representing lines on a graph. There are three kinds of equations: slope-intercept form, general form, and point-slope :  form.

Slope intercept form: y=mx+b, where m represents the slope, and b is the y-intercept.

General form: Ax+By+C=0, where A>0, and A,B, and C are integers

Point-slope form: m(x-x1)=y-y1

Slope intercept form is the form that is used most of the time. Sometimes General form is used for an equation to look “nice”, because everything is on one side of the equation. If you have an equation in slope intercept form, that equation can be converted into general form.

y=\frac {2}{5}x-1          Converted into general form, the equation will say

2x-5y-5=0

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