Quadratic Functions
Goal: To distinguish between a relation that is a function from a relation that is
not a function.
● A relation is a relationship between two variables.
● A relation can be represented by:
a set of ordered pairs {(− 5, 1), (− 3, 2), (− 1, 3), (1, 2)}
__________
a table of values
__________
a graph
___________
an equation y = 2x -5 , y2 = x ___________
a mapping diagram ____________