Number Sets And Absolute Value Math Worksheet With Answers - Palomar College, 2015 Page 2
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1
2Number Sets and Absolute Value
Answers to Practice
1. Tell which set or sets each number belongs to: N, W, Z, Q, I, and R.
N, W, Z, Q, R
(a) 8
W, Z, Q, R
(b) 0
Z, Q, R
(c)
2
Q, R
2
(d)
3
√
I, R
(e)
5
Q, R
(f)
1.52
1
2. Plot each number in the list on the real number line.
4, 0, 2.5,
, 5
2
1
4
0
2.5
5
2
5
4
3
2
1
0
1
2
3
4
5
3. Find the absolute value of each number.
(a) | 4|
(b) |5|
4
5
(d) | 1.75|
5
5
(c)
1.75
8
8
√
√
(f) |7.2|
7.2
(e)
7
7
1
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