25 terms

Absolute Error

the error found when using the formula |a-x|

Percent Error

the percent of the error found when using the formula

Area

the number of unit squares that can be contained within it

Pi

3.14 or 22/7

Ratio

a comparison of two quantities

Fee

a charge or payment amount

Perimeter

the measure of distance around a figure

Cirumference

the measurement of the perimeter of a circle, found using A= pi r 2

Sales Price

the price after any markup or markdown has been applied

Complex Fraction

a fraction in which the numerator and the denominator both contain a fraction

Constant of Proportionality

the constant value of the ratio of two proportional quantities x and y

Discount Price

the new price that is found after all discounts are applied

Equation

a statement that the value of two mathematical expressions are equal (indicated by the sign =)

Equivalent Ratios

two or more ratios that are equal in their simplest form

Expression

a mathematical phrase that can contain ordinary numbers, variables, and operators

Fraction

a number between 0 and 1 , expressed with one number, a numerator, on top of another, the denominator

Greatest Common Factor

the highest number that divides exactly into two or more numbers

One to One Correspondence

each element in a set of data corresponds or matched to one and only one other element in a second set of data

original price

The cost of an item before any mark up or mark down is applied

percent

Parts per 100, always measured as a fraction out of 100

Rate

A ratio that compares two quantities having different units of measure. (written form)

Rational Numbers

Any number that can be expressed as the quotient or fraction p/q of two integers

Scale Drawing

A drawing that shows a real object with accurate sizes reduced or enlarged by a certain amount

Scale Factor

The ratio of any two corresponding lengths in two similar geometric figures

Unit Rate

Rates expressed as a quantity of one, ( numerical form)