Linear Inequalities (Leaving Cert Mathematics): Flashcards
📚Flashcards
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9 cards from this deck
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Practise the cards
9 cards from this deck
What do inequalities show between two expressions?
What do inequalities show between two expressions?
One side is greater than or less than the other (not equal)
Inequalities vs equations: key difference
Inequalities vs equations: key difference
Show greater than/less than relationships, not equality
What to do when multiplying both sides of inequality by negative?
What to do when multiplying both sides of inequality by negative?
Flip the inequality sign
What to do when dividing both sides of inequality by negative?
What to do when dividing both sides of inequality by negative?
Flip the inequality sign
General principle for solving inequalities
General principle for solving inequalities
Same as solving equations (except flip sign when multiply/divide by negative)
What you get when solving inequality (vs single value)?
What you get when solving inequality (vs single value)?
Solution set
Solution to
Solution to
First step to solve
First step to solve
Subtract 3 from both sides to get
What does 'strictly less than' mean in ?
What does 'strictly less than' mean in ?
Values must be less than but not equal to