Section 2-4
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What you will learn:
-Write and equation of a line given the slope and a point on the line.
-Write and equation of a line parallel or perpendicular to a given line.
Vocabulary:
1.Slope-intercept form- The equation of a line in the form y=mx+b, where m is the slope and b is the y-intercept.
2.Point slope form- An equation in the form y-y1=m(x-x1), where x1 and y1 are the coordinates of a point on the line and m is the slope.
*The most important thing you need you need to know about this section is the slope- intercept form.
y=mx+b (mx is the slope and b is the y-intercept.)
You need to know this to solve problems throughout chapter 2
FORMS OF EQUATIONS:
1. Slope Formula
2. Symmetric Property of Equality or Slope-intercept form.
