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Algebra I Recipe: Quick Graphs Using Slope-Intercept Form - 0 views

www.algebralab.org/...studyaid.aspx

quick graphs using slope intercept

shared by paytoncollette on 05 Jan 15 - No Cached
  • Linear Equation is y = mx + b
  • "m" represents the slope. "b" represents the y-intercept.
  • . How to Graph Using y = mx + b Solve the equation for y. Determine the slope and y-intercept. Graph the y-intercept. Use the movements of slope (or rise/run) to graph more points begainning at the y-intercept. Connect the points with a straight line and arrows on each end. Label the line with its equation.
  • paytoncollette on 05 Jan 15
     
    What these annotations represent are when to using slope intercept when graphing and when not to
paytoncollette

Solving Systems of Linear Equations Using Graphing - 0 views

hotmath.com/...-equations-using-graphing.html

solving using graphs

shared by paytoncollette on 05 Jan 15 - No Cached
  • The lines intersect at zero points. (The lines are parallel.)
  • The lines intersect at exactly one point. (Most cases.)
  • The lines intersect at infinitely many points. (The two equations represent the same line.)
  • ...2 more annotations...
  • This method is useful when you just need a rough answer, or you're pretty sure the intersection happens at integer coordinates. Just graph the two lines, and see where they intersect!
  • Example: Solve the system by graphing. y = 0.5x + 2 y = –2x – 3
  • paytoncollette on 05 Jan 15
     
    This website teaches you when to use a certain method and how to solve linear equations using graphs
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