Abeka Algebra 2 Quiz 4 (2.1-2.2)
linear equation : an equation with one variable with an exponent of understood 1
1. get rid of parenthesis by distributing 2. get rid of fractions by multiplying by the LCD 3. get rid of decimals by moving the point 4. combine like terms (get your variables together) 5. get x by itself by doing the opposite : how to solve linear equations
1. get the absolute value alone 2. get rid of the lines by making two equations with opposite signs 3. solve both equations : how to solve absolute value equations
literal equations : equations that use letters to represent quantities (formula)
1. as an inequality 2. in interval notation 3. graphed on a number line : how to right linear inequalities
interval : range of values graphed on a number line of an inequality
closed : endpoints are part of the solution
open : endpoints aren't part of the solution
unbounded, closed [8, infinity) : x>_8
unbounded, hole (- infinity, 8) (8, infinity) : x doesn't = 8
included : filled dot
not included : empty dot