Lesson 1 Algebra

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____ is the property of an operation and a set that the performance of the operation on members of the set always yields a member of the set.

Closure

_____ are numbers {0,+1,-1,+2,-2,.....}Z .

Integers

{-2,-1,0,1,2

Integers

____ are real numbers which cannot be written as the ratio of two integers; designed will Q .

Irrational numbers

It is closed under addition and multiplication but not closed under subtraction or division.

Natural numbers

Square root of 2

irrational

{4,5,6,7}

whole numbers natural numbers integers

{0,8,9,10}

Integers, whole numbers

Pie

Irrational

____ are numbers {1,2,3,4...} and designed with N .

Natural numbers

.333

Rational

5

Rational

2) _____ are numbers of the form a/b | a,b €Z,b not equal 0 and designated with Q .

Rational numbers

It is closed under addition and subtraction, multiplication, and division, with the exception of division by 0 which is not defined

Rational, real numbers

_____ are the rational numbers together with the irrational numbers; designed with R .

Real numbers

Numbers {0,1,2,3,4....} are called __.

Whole numbers

{0,5,10,15}

Whole numbers, intergers


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