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Algebraic Expression
contains at least one variable.

Divisible
A # is divisable by another # if the remander is 0

Exponent
Indicates how many times a number is multiplied by it's self.

Real Numbers
contains all the rational #'s and irrational #'s

Formula
A short hand way to write a world rule. Variables represent words.

Multiple
a multiple of a given # is a product that has the given # as one of its factors.

Per cent
ratio in which second term is 100.

Variable
letter representing one or more #’s

Whole Numbers
Set of numbers from 0 on

Composite Numbers
A composite number is a counting # greater than one that is not a prime #.

Retail Price
The same price for items sold in stores.

Rate of Discount
discounts expressed as a certain percent of the list price. The percent is called the rate of discount.

Proportion
an equation that states that 2 ratios are equal

Probability
an event is the ratio of the # of favorable outcomes to the total # of outcomes for the event.

Ratio
quotient that compares 2 numbers.

Value of a numerical Expression
to find it perform the indicated operations

Equivalent Fractions
fractions that name the same number.

Power of a Number
A # multiplied by n times rising it to Nth times.

Combining Like Terms
when you add or subtract like terms.
3x+6+5x
8x+6=54

Mean
Sum of all the numbers divided by the numbers in the set.

Absolute Value
To indicate distance, but not direction, from 0.

Factoring
If the terms of the sum or difference share a common factor, the product can be rewritten as one of the factors.

Like Terms
Two or more like terms have the same variable, and the same powers.

Perfect Square
A rational # whose square is also a rational #.

Interest
the amount of money that is charged for borrowing money.

median
The middle number in a set that is arranged in numerical order.

Net Price
The amount after the deduction of the discount.

Equation
It is a sentence that contains an = symbol.

Even Number
A # that is divisible by 2.

Like Fractions
Fractions that have a common denominator.

Odds
The ratio from # of ways an event can occur to the # of ways it cannot occur.

Interest Rate
Usually expressed as a % of a principle.

Reciprocals
2 #’s having 1 as their product.


two or more counting numbers have the smallest counting # that able to be divided into it.

Numerical Expression
Includes at least one operations (+, , x, /.)

Discount
Difference between the list and sale prices.

Evaluate
To find the value

Factor
A # that is divisible by another # is its factor.

Hypotenuse
the side opposite of the right angle. (Longest side)

Intergers
Set is made up of positive, zero, and negative #’s

Perimeter
Distance around a figure.

Unit Price
The price “per” something.

Mode
The number in a set that occurs most often.

Principle
Amount of money borrowed on in which interest is paid.

Wholesale Price
the price in which the store buys the item at.

Rational #'s
Consists of negative, zero, and positive rational #’s

odd #
A number not divisible by 2.

Prime Factorization
every composite number is expressed as a product of prime numbers. So the product is the PF.

Prime #'s
A number greater than one and has exactly 2 factors

solve an equation
Means to find the number(s) that will make it true.

Algebraic Fraction
Fractions with at least one variable in it


