Algebra 1 Unit 1 Flashcards
The real number systems consists of …
All real numbers
The Symbol for all real number is …
A capital R
Irrational numbers are …
Decimals that never end and have no repeating pattern
Rational numbers are …
All fractions and decimals that end or have a repeated pattern
All real numbers consists of what two main groups?
Rational and Irrational Numbers
Rational numbers consists of what subset groups?
Integers, Whole Numbers, and Natural Numbers
The symbol for Irrational numbers is …..
A capital I
The symbol for Integer numbers is …..
A capital Z
The symbol for Rational numbers is …..
A capital Q
The symbol for Whole numbers is …..
A capital W
The symbol for Natural numbers is …..
A capital N
What is the main idea of the communitive property for addition and multiplication?
Order of values does not matter!
a + b = b + a is an example of what property?
Communative
2 + 3 = 3 + 2 is an example of what property?
Communative
What is the main idea of the associative property for addition and multiplication?
Grouping of values does not matter!
(a + b) + c = a + (b + c) is an example of what property?
Associative
(5 + 1) +3 = 5 + (1 + 3) is an example of what property?
Associative
What is the main idea of the identity property for addition and multiplication?
Stays the Same!!
a + 0 = a is an example of what property?
Identity
What is the main idea of the inverse property for addition and multiplication?
Using the opposite to cancel a value
a + (-a) = 0 is an example of what property?
Inverse
What is the main idea of the property of zero?
Multiplying by 0 always equals 0