Flashcards
Inequalities
Flashcards do conjunto (7)
- 1Find inequalities of x when x^2-3x≤ 0Rewrite as x(x-3) , so we know 0≤ x≤ 3
(a graph of this can also show it). - 2< or > are represented on a graph by what kind of lines?Dotted lines
- 3≤ or ≥ are represented on a graph by what kind of lines?Normal lines (full)
- 4A region is represented by y≥x and y≤x+2 . Write this in notation form{y≥x} ∩ {y≤x+2}
- 5What symbol represents intersection?∩
- 6What symbol represents union?∪
- 7What would {x+y}' represent?Not {x+y} as the ' means opposite