Lesson 1 Algebra
____ 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