Answers Passport to Algebra and Geometry

pp. 302 - 303

1) divisible by 2, 3, 4, 6, 8, 9

2) divisible by 12, 17, and 18

3) 2^3 * 3 * 5  (2 cubed times 3 times 5)

4) 5^3

5) 3^2 * 11 * a * b

6) 11^2 * x^2

7) GCF is 12

8) GCF is 14

9) LCM is 70

10) LCM is 90

11) LCM is 70

12) 1 / 40 (1 over 40 or 1 fourtieth)

13) 3 / 11

14) 65 / 100 is 13 / 20

15) x^5

16) D 16,000

17) A 0.00016

18) B 0.016

19) C 160

20) Differences increase by 1 each time: 14, 19, 25

21) Differences change  by - 4 each time: 8, - 12, -36

22) Numbers triple each time 567, 1701, 5103

23) Each term is 3 times the previous term: 405, 1215, 3645

24) 3 * 10^5 km/s

25) 5 * 10^2 s

26) 1.5 * 10^8 km

p. 303

1) D

2) D

3) C

4) B

5) C

6) C

7) D

8) B

9) B

10) C

11) B