Applied Math Chapter 5 Review

GCF & LCM

100

What is the greatest common factor of 8 and 12? 

4

200

What is the greatest common factor of 18 and 24? 

6

300

What is the least common multiple of 3 and 4? 

12

400

What is the least common multiple of 6 and 8? 

24

500

Tell the greatest common factor AND the least common multiple of the numbers 6 and 12.

GCF=6 

LCM=12

Fractions

100

What is 1/3 + 1/3? 

2/3

200

What is the fraction 22/3 when written as a mixed number? 

7  1/3

300

What is 1/4 x 1/4 ?

1/16

400

What is 5 ÷ 1/5 ?

25

500

What is 2/3 - 3/8 ?

7/24

Radicals

100

√3  x  √5

√15

200

Simplify the radical  √ 20. 

(The answer must be in radical form, not a decimal.) 

2 √ 5

300

5√ 5  +  7√ 5

12√ 5

400

√12 - √3

√3

500

What is √6  x √8 when simplified?

4√ 3

Exponents & Scientific Notation

100

x⁴  ÷  x

x³

200

(x⁵)³

x¹⁵

300

X^-5

1/X⁵

400

Write in scientific notation: 

56,850,000

5.685 x 10⁷

500

Solve. Your final answer must be in scientific notation.  (4.6 x 10³)(2.3 x 10¹¹)

1.058 x 10¹⁵

Sequences

100

What is the next number in this arithmetic sequence?

11, 18, 25, ____ 

32

200

What is the next number in this geometric sequence? 

5, 25, 125, _____

625

300

What is the common difference of this sequence? 

5, 11, 17, 23, 29

6

400

What is the common ratio of this sequence? 

12, 60, 300, 1500, 7500

5

500

What is the 23rd term of an arithmetic sequence if the first term is 5 and the common difference is 7? 

Remember      a_n = a₁ + (n-1) d

159