1.3/4 Quiz Flashcards
OR Equations
Greater than
AND Equations
Less than
Less Than Equations
Set up in AND with it divided in threes
Steps to Solve Absolute Value Inequalities
1) Isolate
2) Create two cases
3) Solve both inequalities
4) Graph your solutions and write your answer
KISS Method
Keep it, switch, switch
Relations
Set of ordered pairs that can be shown in a set, table, map, or expressed as a graph.
Domain
Set of x-values
Range
Set of y-values
Discreet
A relation with distinct points
Continuous
A relation with connected lines or curves
Function
A relation in which each element of the domain is paired with exactly one element of the range
If It’s Not a Function
It’s a relation
Vertical Line Test
In order to be a function, a vertical line can not pass through more than one point in the relation, meaning x-values do not repeat
Horizontal Line Test
In order to be a one-to-one function, a horizontal line can not pass through more than one point in the relation, meaning y-values do not repeat
Notes for Listing Domain and Range
Only list things once, list things from least to greatest
When Can You Write in Interval Notation
When given a continuous line graph
Parabolas/Linear Equations Are
Usually functions
Linear Equations Are
Usually all real numbers
Y=
Horizontal, domain infinity, range isn’t in interval notation and is the only number, function but not one-to-one
X=
Vertical, domain isn’t in interval notation and is the only umber, range infinity, not a function
Domain and Range of a Parabola
1) Domain is all real numbers
2) Factor
2) Use zero property rule
3)
