Algebra Demystified 2nd Ed

(Marvins-Underground-K-12) #1

8 alGebra De mystif ieD


PRACTICE
Simplify the fraction.

1.

14
42

=

2.^5
35


=

3.^48
30


=

4.^22
121


=

5.^39
123


=

6.^18
4


=

7.^7
210


=

8.^240
165


=

9.^55
33


=

10.^150
30


=

SOLUTIONS

1.^14
42


27
237

271
273

27
27

1
3

14
14

1
3

= ⋅
⋅⋅

= ⋅⋅
⋅⋅

= ⋅

() ⋅= ⋅=
()

11
3

2.^5
35


5
57

51
57

5
5

1
7

1
7

=

= ⋅

=⋅=

3.^48
30


22223
235

23222
235

23
23

= ⋅⋅⋅⋅^2
⋅⋅

= ⋅ ⋅⋅⋅
⋅⋅

= ⋅

() ⋅
()

⋅⋅ ⋅ (^22) =⋅=
5
6
6
8
5
8
5



  1. 12122 =11 11^21 ⋅⋅^1 =⋅= 1111 112 112
    5.^39
    123


313
341

3
3

13
41

13
41

= ⋅

=⋅ =

✔SOLUTIONS


PRACTICE
Simplify the fraction.
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