# Name _____________________ Date ______ Algebra I ```Name _____________________
Algebra I
Functions and Relations
Date ______
Coordinate Plane - the intersection of the ___ axis and the ___ axis at the
point (
,
).
Origin – the point where the x and y axis ___________________.
Ordered Pair – a pair of numbers used to _______________ any point on
the coordinate plane. The first number is the ___ coordinate and the second
number is the ___ coordionate.
Plot the following points and describe its location.
A(-3, 2)
B(4, 0)
C(2, -4)
D(0, 4)
E(-1, -3)
F(4, 3)
Give the ordered pair that corresponds with each letter.
b
a) _____
b) _____
c) _____
d) _____
a
c
d
Relation – any set of _______________ __________.
Function – a relation in which no set of _____ values repeat.
Domain – the __________ or _____ values.
Range – the __________ or _____ values.
Two ways to determine whether a relation is a function.
1) No inputs or ______ values repeat.
(1, 3) (2, 4) (3, 5) (4, 5)
Domain _______________
Range _______________
Function _______________
Domain _______________
Range _______________
Function _______________
Domain _______________
Range _______________
Function ______________
2) Passes the ________________ line test.
```