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**3**

The objects that belong to a set.

Slide 30

A line with a scale that is used to show how numbers relate to each other.

Slide 31

A number located to the left of zero on a number line.

Slide 32

A number located to the right of zero on the number line.

Slide 33

Numbers that can be written with a positive or negative sign.

Slide 34

The set of integers is:

{ .-3, -2, -1, 0, 1, 2, 3, .}.

Slide 35

The point on a number line that corresponds to a number is its graph.

Slide 36

Rational numbers can be written as the quotient of two integers, with denominator not zero.

Slide 37

Set-builder notation is used to describe a set of numbers without actually having to list all of the elements.

Slide 38

Irrational numbers cannot be written as the quotient of two integers but can be represented by points on the number line.

Slide 39

All numbers that can be represented by points on the number line, that is, all rational and irrational numbers.

Slide 40

Two numbers that are the same distance from zero on a number line but on opposite sides of zero. The sum of two additive inverses equals zero.

Slide 41

The distance between zero and a number on a number line.

Slide 42

The multiplicative inverse of a nonzero real number a is 1/a. The product of multiplicative inverses is one.

- Natural numbers
- Whole numbers
- Numerator
- Denominator
- Factor
- Product
- Factored
- Prime number
- Composite number
- Greatest common factor (GCF)
- Lowest terms
- Reciprocals
- Quotient
- Sum
- Least common denominator (LCD)
- Mixed number
- Difference
- Exponent (power)
- Base
- Exponential expression
- Grouping symbols
- Variable
- Algebraic expression
- Equation
- Solution of an equation
- Set
- Elements (members)
- Number line
- Negative number
- Positive number
- Signed numbers
- Integers
- Graph of a number
- Rational numbers
- Set-builder notation
- Irrational numbers
- Real numbers
- Additive inverse
- Absolute value
- Multiplicative inverse (reciprocal)
- Commutative property of addition
- Commutative property of multiplication
- Associative property of addition
- Associative property of multiplication
- Identity property
- Inverse property
- Distributive property
- Term
- Numerical coefficient
- Like terms
- Unlike terms
- Combining like terms

- Solar Thermal Energy
- Newton's laws of motion
- Heat-Energy on the Move
- Upcoming Classes
- Practical Applications of Solar Energy
- Madame Marie Curie
- Health Physics

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