Algebra I - Q4 Definitions

25 terms by eehagerman 

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monomial

an expression with only one term

domain

The set of x-coordinates of the set of points on a graph; the set of x-coordinates of a given set of ordered pairs. The value that is the input in a function or relation.

range

The y-coordinates of the set of points on a graph. Also, the y-coordinates of a given set of ordered pairs. The range is the output in a function or a relation.

linear equation

an equation whose solutions form a straight line on a coordinate plane.

vertex

the point of intersection of the two rays that form the sides of the angle

intercept

the point at which a line intersects a coordinate axis

axis of symmetry

A line that divides a figure in half so that each half is the mirror image of the other

integer

The set of whole numbers and their opposites

absolute value

The distance a number is from zero on a number line

intersecting lines

Lines that cross at exactly one point

polynomial

a mathematical expression that is the sum of a number of terms

cordinate plane

- formed by two real number lines that intersect at a right angle

ordered pair

A pair of numbers, (x, y), that indicate the position of a point on a Cartesian plane.

square number

The product of a number multiplied by itself.

function

a mathematical relation such that each element of one set is associated with at least one element of another set

combine like terms

to add or subtract like terms. Ex: 3x and- 5x combine to become -2x.

constant difference

the difference that is always the same from one term to the next number

algebraic expression

A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.

exponent

a mathematical notation indicating the number of times a quantity is multiplied by itself

term

any distinct quantity contained in a polynomial

maximum

the point on a curve where the tangent changes from positive on the left to negative on the right

minimum

the point on a curve where the tangent changes from negative on the left to positive on the right

slope

the steepness of a line on a graph, equal to its vertical change divided by its horizontal change

variable

a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity

negative exponent

an exponent less than zero which causes the base and its exponent to move positions in a fraction

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