Answers for 2.3

Copyright © by McDougal Littell, a division of Houghton Mifflin Company.
Answers for 2.3 continued
For use with pages 82–85
2.3 Standardized Test Practice
58. a. 1 } b. 216 inches
12
c. Since the height remains
constant, shortening the ramp
will increase the slope and
lengthening the ramp will
decrease the slope.
59. C
2.3 Mixed Review
60. 1 61. 17
62. 26 63. 24
64. 11 65. 21
66. 3 67. 2 25
}
6
68. 3.7, 3, 2 69. 10, 11, 12
2.3 Geometry Skills
70. (8, 4); the slopes are all the same.
71. (1, 1); the slopes are all the same.
Quiz 1
1. The domain consists of inputs:
23, 1, 3, 4; the range consists of
outputs: 25, 6, 9; the relation is
a function; each input is mapped
onto exactly one output.
2. The domain consists of inputs:
24, 1, 2, 7; the range consists of
outputs: 25, 0, 3, 4; the relation
is not a function; the input 2 is
mapped onto outputs 3 and 4.
3.
4.
5.
6.
y
y
y
1
1
2
y
1
1
1
1
1
Algebra 2 Concepts and Skills
Answer Transparencies for Checking Homework A12
x
x
x
x