Function of Ordered Pairs

Does the set of ordered pairs {(2, 3), (4, 5), (6, 7), (2, 8)} represent a function?

• Yes

• No

Does the set of ordered pairs {(1, 2), (3, 4), (5, 6), (7, 8)} represent a function?

• Yes

• No

Does the set of ordered pairs {(−5, 10), (7, −15), (−5, 20), (6, −12), (−18, 0), (7, -15)} represent a function?

• No

• Yes

Does the set of ordered pairs {(0, 5), (2, 10), (4, 15), (0, 20)} represent a function?

• No

• Yes

Does the set of ordered pairs {(9, 3), (12, 4), (15, 5), (18, 6)} represent a function?

• Yes

• No

Does the set of ordered pairs {(-3, -6), (0, 0), (3, 6), (-3, 9)} represent a function?

• No

• Yes

Does the set of ordered pairs {(3, 4), (5, 6), (7, 8), (3, 10)} represent a function?

• Yes

• No

Does the set of ordered pairs {(1, 2), (3, 4), (5, 6), (1, 8)} represent a function?

• Yes

• No

Does the set of ordered pairs {(2, 3), (4, 5), (6, 7), (2, 9)} represent a function?

• No

• Yes

An __________ is a pair of numbers used to locate a point on a coordinate plane; the first number tells how far to move horizontally and the second number tells how far to move vertically.

• Graph

• Relation

• Ordered Pair

• Mapping