Chapter 2 Standardized Test Practice
Pages 122–123
1.
D;
2
49
,
0.143
,
2.646
,
49
2.
C; 2(7)
2
3
5
11, so (7, 11) is on the line.
2(4)
2
3
5
5, so (4, 5) is on the line.
2(
2
2)
2
3
52
7, so (
2
2,
2
10) is not on the line.
2(
2
5)
2
3
13, so (
2
5,
2
13) is on the line.
3.
A; a protractor is used to measure angles, not
lengths. A calculator is not a measuring tool. A
centimeter ruler is more accurate than a
yardstick because its unit of measurement
(centimeters) is smaller.
4.
B;
D
w
E
w
>
E
w
F
w
so
DE
5
EF
.
8
x
2
3
5
¬
3
x
1
7
8
x
5
¬
3
x
1
10
5
x
5
¬
10
x
5
¬
2
5.
A;
/
ACF
1
/
DCF
5
/
ACD
by the Angle Addition
Postulate. So
m
/
ACF
1
m
/
DCF
5
90 since
/
ACD
is a right angle. Then
/
ACF
and
/
DCF
are complementary angles.
6.
C; inductive reasoning uses specific examples to
make a conjecture.
7.
A
8.
A; divide both sides by 3.
9.
The shortest distance is the length of the
hypotenuse of the right triangle whose legs have
lengths 120 yd and 53
}
1
3
}
yd. Use the Pythagorean
Theorem to find the length of the hypotenuse.
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.
 Fall '10
 Dr.Zhan
 Calculus, PreCalculus

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