Inequalities

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  • Created by: GraceLong
  • Created on: 20-04-16 18:54
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  • Inequalities
    • On a line
      • The solutions for linear inequalities can be shown on a number line
      • If a open circle is used, the inequality can't be equal to the number but is a coloured circle is used, it can be equal
    • Moe than one
      • The region that is not needed may also need to be shaded instead
      • More than one inequality can be shown on a graph by drawing two lines and shading the region that is wanted
    • Solving
      • Linear inequalities are solved the same as an equation (doing the same thing on both sides)
      • An inequality uses < and >. The sign < means less than, and > means more than
      • Solutions to inqualities are ranges of number e.g.   2 < 5 is 3 and 4
    • Graphical
      • Linear inequalities can be shown on a graph, the region is shown with a shaded area of a straight line
      • The first step in drawing the line is to replace the > with an equals sign and plot the line
      • The region the inequality wants shaded can be checked by choosing a point on one side of the line and seeing if it fits the inequality

Comments

Bham369

Mistake on "more than one" it says "moe" not "more" other than that it is brilliant!!!!! :) :D :P

Bham369

Mistake on "more than one" it says "moe" not "more" other than that it is brilliant!!!!! :) :D :P

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