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Contents contributed and discussions participated by tdagan

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tdagan

Lines - Cool math Algebra Help Lessons - Finding the Equation of a Line Given a Point a... - 1 views

coolmath.com/...uation-line-point-slope-01.htm

shared by tdagan on 23 Dec 14 - No Cached
  • t's called the point-slope formula (Duh!)
  • You are going to use this a LOT!
  • tdagan on 23 Dec 14
     
    Finding equation of a line with given point
tdagan

Straight-Line Equations: Slope-Intercept Form - 0 views

www.purplemath.com/...strtlneq.htm

shared by tdagan on 23 Dec 14 - Cached
  • This is called the slope-intercept form because "m" is the slope and "b" gives the y-intercept.
  • y = mx + b
  • y = mx + b (–6) = (4)(–1) + b –6 = –4 + b –2 = b
  • ...1 more annotation...
  • so far is a value for is b (which gives me the y-intercept). Then all I need to do is plug in what they gave me for the slope and the x and y from this particular point, and then solve for b
  • tdagan on 23 Dec 14
     
    Slope Intercept Form for lines
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