Chapter 13, Lesson 4


13-4.A understand the meaning of ordered pair
Which pair is not written in the same order as the other three pairs?
(a)
(Spain, Madrid) (b) (Italy, Rome) (c) (Lisbon, Portugal) (d) (England, London)

13-4.B recognize relationships
For each equation, describe how y is related to x.
a. y = 2x b. y = 3x — 1