
Concept explainers
a. In a rectangular
b. A point in a rectangular coordinate system is defined by an__________ pair, (x, y).
c. In a rectangular coordinate system, the point where the x- and y-axes intersect is called the __________ and is represented by the ordered pair __________.
d. The x- and y-axes divide the coordinate plane into four regions called __________.
e. A point with a positive x-coordinate and a __________ y-coordinate is located in quadrant IV.
f. In quadrant __________, both the x- and y-coordinates are negative.
g. A linear equation in two variables is an equation that can be written in the form __________where A and B are not both zero.
h. A point where a graph intersects the x-axis is called a(n) __________.
i. A point where a graph intersects the x-axis is called a(n) __________.
j. A __________ line can be represented by an equation of the form x = k, where k is a constant.
k. A __________ line can be represented by an equation of the form y = k, where k is a constant.

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Chapter 2 Solutions
Intermediate Algebra
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