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.