Algebra
Algebraic Expressions
Real number subsets
Real Number Properties
Properties Cont.
100
A letter used to represent a number.
What is a variable?
100
Set of elements common to two sets.
What is an intersection?
100
Numbers we use for counting.
What are real numbers?
100
a + b = b + a
What is the commutative property of addition.
100
The numerical part of a term
What is a coefficient?
200
A combination of variables and numbers using the operations of addition, subtractions, multiplication, or division, as well as powers or roots.
What is an algebraic expression?
200
Set of elements that are members of either Set A or Set B
What is the union of sets?
200
The set of whole numbers includes 0 and the natural numbers.
What are whole numbers?
200
ab=ba
What is the commutative property of multiplication?
200
a - b = a + (-b)
What is subtraction?
300
An equation that used variables to express a relationship between two or more quantities.
What is a formula?
300
graph used to represent the set of real numbers.
What is a real number line?
300
The set of intergers includes the negatives of the natural numbers and the whole numbers.
What are integers?
300
(a+b) +c= a + (b+c)
What is the associative property of addition?
300
a+ (-a)=0 -a+a=0
What is the inverse property of addition?
400
The process of finding formulas to describe real-world phenomena.
What is Math Modeling?
400
The distance from 0 to 1.
What is the unit distance?
400
The set of rational numbers is the set of all numbers that can be expressed as a quotient or two integers.
What are rational numbers?
400
(ab)c=a(bc)
What is the associative property of multiplication?
400
a*1=a 1*a=a
What is the identity property of multiplication?
500
When a mathematical model gives an estimate that is not a good approximation.
What is a model breakdown?
500
< and >
What are inequality symbols?
500
The set of irrational numbers is the set of all numbers who decimal representation are neither terminating nor repeating.
What are irrational numbers?
500
a x (b+t)= a x b + a x c
What is the distributive property of multiplication over addition?
500
a + 0 = a 0 + a = a
What is the identity property of addition?
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