Graphical Inequalities (AQA GCSE Maths): Flashcards
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Practise the cards
10 cards from this deck
What do graphical inequalities involve?
What do graphical inequalities involve?
Shading regions on a coordinate grid that satisfy conditions
Step 1: Convert inequalities to...
Step 1: Convert inequalities to...
Equations (replace inequality symbols with equals signs)
What are boundary lines?
What are boundary lines?
Lines created by converting inequalities to equations
When to use dotted lines ( or )
When to use dotted lines ( or )
For strict inequalities
When to use solid lines ( or )
When to use solid lines ( or )
For inclusive inequalities
What dotted lines mean
What dotted lines mean
Points on the boundary aren't included in the solution
What solid lines mean
What solid lines mean
Points on the boundary are included in the solution
Best point to test for correct side
Best point to test for correct side
Origin , if not on boundary line
Step 4: What to shade
Step 4: What to shade
The overlap where all inequalities are satisfied simultaneously
If testing origin gives false statement
If testing origin gives false statement
Use opposite side of the line