Part 1: Arithmetic Flashcards Preview

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Flashcards in Part 1: Arithmetic Deck (58)
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1

(√(a)) ^ 2

a

2

√(a^2)

a

3

√a√b

√(ab)

4

√a/√b

√(a/b)

5

For odd order roots, how many roots are there for every number?

one, even for negative numbers.

6

For even order roots, how many roots are there for every number?

two (a positive and negative root), if the number is positive. zero, if the number is negative.

7

What is an irrational number?

A number with a decimal that neither terminates nor repeats.

8

What is a real number?

The set of all rational and irrational numbers.

9

What is an interval?

A set of real numbers in between two numbers.

10

|r + s| ? |r| + |s|

less than or equal to

11

What is a ratio?

A way to express the relative quantities of two values.

12

15 - (6 - 4) (-2)

19

13

(2 - 17) / 5

-3

14

(60 / 12) - (-7 + 4)

8

15

3^4 - (-2)^3

89

16

(-5)(-3) - 15

0

17

(-2)^4 times (15 - 18)^4

1296

18

(20 / 5)^2 times (-2 + 6)^3

1024

19

(-85)(0) - (-17)(3)

51

20

1/2 - 1/3 + 1/12

1/4

21

(3/4 + 1/7)(-2/5)

-5/14

22

(7/8 - 4/5)^2

9/1600

23

(3/-8)/(27/32)

-4/9

24

Which of the integers 312, 98, 112, and 144 are divisible by 8?

312 and 112 and 144

25

What is the prime factorization of 372

2 * 3 * 2 * 31

26

What are the positive divisors of 372

1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, and 372

27

What are the prime divisors of 100?

2, 5

28

What are the prime divisors of 144?

2, 3

29

Which of the integers 2, 9, 19, 29, 30, 37, 45, 49, 51, 83, 90, 91 are prime?

2, 19, 29, 37, 83

30

What is the prime factorization of 585?

3 * 3 * 5 * 13