# Algebra Flashcards

### 35 terms by mlee4529

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### Operation

Something that is done to numbers, subtracting, multiplying, or dividing

### Expression

A collection of numbers, operation signs, and symbols of inclusion that stands for a number

### Variable

A letter that Represents a number. It represents the same number each time

### Substitution

Replacing a variable with a constant

### Exponent

In an expression requiring multiplication the constant or variable that tells how many bases to multiply together

### Equation

A sentence which says that one expression is equal to another expression

### Solution

A number that can be substituted for the variable in the sentence equal

### Area

Is a measure of the "space" inside a figure

2 numbers that add up to 0

### Absolute value

The distance of a number from the origin on a number line; the number itself or the opposite of the number, which evere is positive

### Positive number

A number greater than 0

### Negative number

A number less than 0

### Integer

A whole number or it's opposite not including the fraction inbetween

### Real number

All numbers on the number line including positive numbers, negative numbers, 0, fractions and decimals

### Reciprocal

(mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2

### Commutative

To interchange, or reverse, the positions of 2 numbers

### Associate

To group 2 of the numbers in parentheses so that the operation between them is done 1st

### Like terms

2 terms in an expression that have the same variables raised to same powers

### Coefficient

a constant number that serves as a measure of some property or characteristic

### Multiplicative prop of equality

If: a, b, & c E R and a = b
Then: a x c = b x c

### Polynomial

An expression that has no operation other than addition, subtraction, and multiplying by or of the variables

### Constant

A symbol which is always stands for the same number

### Monomial

A polynomial with one term

### Binomial

A polynomial with one term

### Trinomial

A polynomial with 3 terms

### Degree of polynomial

Is the exponent of the highest power of that variable

### Linear

A word describing a first degree polynomial

A word describing a second degree polynomial

### Cubic

A word describing athirs degrees polynomial

### Conjugate binomials

Binomials that are the same except for the sign between the terms

A expression that has a root, a sign placed in front of an expression to denote that a root is to be extracted

### Rational number

A number that can be written as a ratio of 2 integers

### Irrational number

A number that cannot be written as a ratio of 2 integers

### Factor

Numbers that are multiplied together

### Terms

Numbers that are added to each other or subtracted from each other

Example: