Graphical Inequalities (Edexcel GCSE Maths): Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
Main technique for graphical inequalities
Main technique for graphical inequalities
Shading specific regions
Number of steps in graphical inequality method
Number of steps in graphical inequality method
Four
Step 1 for graphical inequalities
Step 1 for graphical inequalities
Convert inequalities to equations
What converting inequality to equation creates
What converting inequality to equation creates
Boundary line
Line type for or
Line type for or
Dotted line
Line type for or
Line type for or
Solid line
Dotted line meaning
Dotted line meaning
Boundary not included in solution
Solid line meaning
Solid line meaning
Boundary included in solution
Step 3 for graphical inequalities
Step 3 for graphical inequalities
Test points to find which side to shade
Preferred test point
Preferred test point
Origin
Why use origin as test point
Why use origin as test point
Makes calculations simple
Step 4 for graphical inequalities
Step 4 for graphical inequalities
Shade region where all inequalities overlap
Exam alternative to shading
Exam alternative to shading
Labelling the region