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All rights reserved.
Pre-Algebra
53
Chapter 1
Resource Book
Lesson 1.8
Give the coordinates of the point.
1.
X
2.
Y
3.
Z
4.
M
5.
N
6.
P
7.
Q
8.
R
Plot the point in a coordinate plane. Describe the location of the point.
9.
(
7, 6)
10.
(
5,
3)
11.
(2, 3)
12.
(5, 2)
13.
(
4, 0)
14.
(3,
6)
15.
(
2, 1)
16.
(5, 0)
17.
(0,
2)
18.
Use a coordinate plane.
a.
Plot the points (0, 0), (0, 4), (5, 4), (8, 2), and (5, 0). Connect the points
in order. Connect the last point to the first point.
b.
Identify the figure. Explain your reasoning.
19.
Use the variable expression 3
x
1.
a.
Evaluate the expression when
x
3,
2 ,
1, 0, 1, 2, and 3.
b.
Use your results from part (a) to write a list of ordered pairs in the form
(
x
, 3
x
1).
c.
Plot the ordered pairs (
x
, 3
x
1) from part (b) in a coordinate plane.
d.
Describe what you notice about the points.
20.
The table shows the number of women who finished the New York City
Marathon from 1997 to 2001.
a.
Make a scatter plot of the data.
b.
Describe any relationship you see.
x
y
1
2
3
4
2
3
4
1
2
3
4
2
3
4
O
M
N
R
X
Z
Y
P
Practice B
For use with pages 47–51
Name
Date
1.8
L E S S O N
Year
1997
1998
1999
2000
2001
Women Finishers
8413
8332
9160
8332
6853
