Chapter 2
Selected Practice Worksheet Answers
| Worksheet |
Problem # |
Answer |
2-1 |
1a |
-3, 0, 2 |
| 2a |
no whole numbers, one integer, all are rational |
| 3a |
-a = -10.2, |a| = 10.2 |
| 6 |
Jan; Dec & Jan |
| 2-2&3
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| 12-4&5 |
1a |
−3(−5)(−4x)
15(−4x) Product of –3 and –5 is 15
[15(−4)]x Associative Prop of Mult
−60x Product of 15 and –4 is –60 |
| 3a |
5.2 |
| 4a |
5x + 55 |
| 4g |
-5x2 - 2x |
| 4m |
10x - 7 |
| 5a |
Terms: –8, 2x, 5, 11x; Like terms: –8 & 5, 2x & 11x; Coeff: 2 & 11; Constants: -8 & 5 |
| 6 |
-282.166 m |
| 9 |
c = 0.99n + 1.27(7 - n); $7.97 |
| 12-6&7 |
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| End-Chapter Rev |
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