**Absolute Value**

-The distance between zero and the point representing a real number on the number line

**Algebraic Model**

-An expression, equation or inequality that uses variables to represent a real-life situation

**Angle of Depression**

-When you look down at an object, the angle that your line of sight makes with a line drawn horizontally

**Angle of Elevation**

-When you look up at an object, the angle your line of sight makes with a line drawn horizontally

**Assosiative Property**

*-of Addition*

-The way three numbers are grouped when adding does not change the sum

*-of Multiplication*

-The way three numbers are grouped when multiplying does not change the product

**Coefficient**

-If a term of an expression consists of a number multiplied by one or more variables, the number is the coefficient of the term

**Commission**

-a form of payment to an agent for services rendered

**Commutative Property**

**-***of Addition*

-The order in which two numbers are added does not change the sum

-*of Multiplication*

-The oder in which two numbers are multiplied does not change the product

**Congruence**

-the same shape and size, but are in different positions (for instance one may be rotated, flipped, or simply placed somewhere else).

**Coordinate** **Plane**

- The coordinate system formed by two real number lines that intersect at a right triangle

**Data**

-Information, facts or numbers used to describe something

**Dependent**

-*(**See output*)

**Direct Variation**

-In a direct variation slope-intercept forn is being used but the y intercept is 0

-y=kx

-k=slope

**Distributive Property**

-For any real numbers a, b, and c, a(b+c) = ab + ac

**Down Payment**

-An initial amount paid at the time of purchase, in installment buying, time sales

**Direct Variation**

-A constant ratio

**Edge**

-The line where two faces meet on a geometric figure

**Equation**

-A statement formed by placing an equal sign between two expressions

**Evaluate an expression **

-Find the value of an expression by substituting a specific numerical value for each variable, and simplifying the result

**Exponent **

-In exponential notation, the number of times the base is used as a factor

**Face**

-The front, back, top, down, and sides of a geometric figure

**Factorial**

-When you have anumber with an exclamation sign after it, you have to multiply the number by all the natural numbers less than it

**Formula**

-An algebraic equation that relates two or more variables

**Function**

-A realation is a function if each input has **ONE** & **ONLY ONE** output

**Function Form**

-A two variable equation is written in function form if one of its variables is isolated on one side of the equation

**Function Notation**

-When f(x) is substituted for y. f can be any letter

**f(x)**

-*(See output) Pronounced f of x*

**Identity Property**

-of addition

-The sum of a number and 0 is the number

-of multiplication

-The product of a number and 1 is the number

**Independent**

-*(See input)*

**Infinetly Many Solutions**

-one line on top of another

**Input**

-A value in the domain of a function

*Synonym*: X, independent, domain, input

**Input-output table**

-A table used to describe a function by listing the outputs for several different inputs

**Integers**

-The numbers ...-3,-2,-1,0,1,2,3,...

**Inverse Property of addition**

-The sum of a number and its opposite is zero

**Inverse Property of multiplication**

-The product of a number and its reciprocal is one

**Least Common Denominator, LCD**

-The least common multiple of the denominators of two or more fractions

**Line Graph**

-A graph that uses line segments to connect data points

**Mark-up**

**-**to fix the selling price of an object by adding to the seller's cost an amount to cover expenses and profit

**Natural numbers**

-The numbers 1,2,3,4...

**No Solution**

-Parallel lines

**Numerical expression**

-An expression that represents a certain number

**One Solution**

-Intersecting lines

**Output**

-A value in the range of the function

*Synonym*: Y, output, dependent, f(x), range

**Order of Operations**

-The set of rules(PEMDAS) that is used to solve an equation

**Parallel lines**

-two lines that are next to eachother that never meet

**Perpendicular lines**

-Two lines that intersect at a 90**°** angle

**Point slope form**

- **y- y****¹** = m(x - x**¹**)

**Pythagorean theorem**

- a²+b²=c²

**Pythagorean triples**

for example the length of a right triangles sides (3,4,5) that satifys the eqution a for a list of more pythagorean triples click herehttp://coxmath.pbwiki.com/pythagorean-triples

**Property of Equality**

-Addition

-Any number added to one side of the equation must be added to the other side

-Substraction

-Any number substracted from one side of the equation must be substracted from the other side

**-**Multiplication

-Any number multiplied to one side of the equation should be multiplied to the other side

-Division

-Any number divided in one side of the equation should be divded on the other side

**Range**

-*(See output)*

**Rational numbers **

-Numbers that terminate or repeat

**Relation**

-Any set of ordered pairs

**Retail**

-the sale of goods to buyers, usually in small quantities

**Skew lines**

-Two lines that are on opposite sides of a geometric figure that never meet, but asre neither parallel or perpendicular

**Slope intercept form**

**-**A formula that shows the slope and y-intercept

-It is in the form y=mx+b

**Slope point form**

-The formula y-*y*_{1}* = m*(*x *–* x*_{1})

-It is used when you have the slope and one point or when you have two points

**Solve a Right Triangle**

-To find the measures of all of the sides and angles of a right triangle

**Standard Form**

-Ax+By=C

-A,B, and C are integers

-No Fractions

**Symmetric Property**

-If a=b then, b=a

**Transitive property**

-If a=b and b=c, then a=c

**Trigonometric ratio**

-a ratio of the lengths of two sides in a right triangle

**Variable expression**

-An expression that has variables

**Vertex**

-The point where two lines intersect on a geometric figure

**Whole numbers **

-all real numbers including zero

**Whole Sale**

**-**The sale of goods in quantity, as to retailers or jobbers, for resale

If you would like to add an important word, follow the format & do **NOT** add colors, hi-lite, or put turtles!!

**NOTHING **

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