Set Notation And Number

Question 1

What is the symbol of an empty set

Answer 1

DRAW IT

Question 2

What is the symbol for element

Answer 2

Draw it

Question 3

What does element mean

Answer 3

Is part of a set

Question 4

What does a subset mean

Answer 4

If a set contains elements that are in another set it’s called a subset

Question 5

What is the notation of a subset

Answer 5

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Question 6

If an element is found in one of two or more sets what’s the notation in full

Answer 6

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Question 7

If an element is found in all of two or more sets what’s the notation in full

Answer 7

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Question 8

What do the square brackets mean

Answer 8

greater or less than and equal to

Question 9

What do the curved brackets mean

Answer 9

Just greater than or less than

Question 10

Give me the full notation for when x is less than 2 but greatr than or equal to -2

Answer 10

[-2,2) = {x:-2<=x<2}

Question 11

What is the symbol for natural number

Answer 11

Draw It

Question 12

What does a natural number mean

Answer 12

Any number that is greater than 0

Question 13

What is Z the notation for

Answer 13

A set of integers

Question 14

Draw the notation for a positive set of integers, a negative set of integers and a positive set of integers including 0

Answer 14

Draw It

Question 15

What is the symbol for a rational number

Question 16

What does a rational number mean

Answer 16

{a/b: a E z, b E n}

Question 17

What is an irrational number

Answer 17

A number that can’t be written as a fraction

Question 18

What is a real number

Answer 18

A real number contains all rational and irrational numbers

Question 19

What is the symbol for implies

Answer 19

Draw it

Question 20

If a implies b what would the opposite of this be

Answer 20

A’ implies b’

Question 21

What is the symbol for therefore and because

Answer 21

Draw it

Question 22

What is the symbol for if and only if

Answer 22

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Question 23

What is the notation for always equivalent to

Answer 23

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