# algebra I - S2 terms

### 37 terms by eehagerman

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### coordinate plane

A coordinate system formed by the intersection of a horizontal number line, called the x-axis, and a vertical number line, called the y-axis.

### ordered pair

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

### term

a number, a variable, or the product of a number and a variable

### variable

A letter or symbol used to represent a number.

### difference

the number that remains after subtraction

### quotient

the number obtained by division

### product

a quantity obtained by multiplication

### coefficient

number in front of a variable

### constant

a quantity that does not vary

### domain

the set of values of the independent variable for which a function is defined

### 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.

### combine like terms

add or subtract the coefficients of the variables

### algebraic expression

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

### integer

The set of whole numbers and their opposites

### function

an input-output relationship that has exactly one output for each input

### operation

calculation by mathematical methods

### expression

a group of symbols that make a mathematical statement

### exponent

indicates the number of times a quantity is multiplied by itself

### square number

the product of a number and itself

### slope

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

### y-intercept

where the line crosses the y axis

### monomial

an expression with only one term

### polynomial

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

### linear equation

a polynomial equation of the first degree

### Intercept

the point at which a line intersects a coordinate axis

Lines that cross

### Minimum

the smallest possible quantity

### Maximum

the largest possible quantity

### Constant Difference

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

### Negative Exponent

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

### Slope

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

a function that can be written in the form f(x)=ax^2+bx+c, where a, b & c are real numbers and a is not equal to zero

### Exponential Function

a function in which an independent variable appears as an exponent

### Square Root Function

A function that contains a square root of a variable.

### Cubic Functions

Third degree polynomial functions.

### Axis of Symmetry

a line that divides a figure into 2 congruent parts

Example: