# Pre-Algebra exam VOCAB

### 38 terms by pJuneau

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### Absolute Value

the distance of a number from 0 on a number line

if a=b then a+c=b+c

when you add a number and 0 and the sum is the original number

(a+b)+c = a+(b+c)

(ab)c = a(bc)

### Base

is the repeated factor of a number written in exponential form

### Coefficient

a number that multiplies a variable

a+b = b+a

ab = ba

### Composite number

an integer greater than 1 with more than two factors

### Constant

a term that has no variable

d=rt

### Equation

a math sentence with an = symbol

### Equivalent Fractions

a fraction that describes the same part of a whole

### Exponent

a number that shows how many times a base is used

### Factor

a number that is multiplied by another number to find a product

### GCF

the greatest factor that 2 numbers share

sum of a number and zero is that original number

### Identity Property of multiplication

product of a number and zero is that original numer

### Inequality

uses the symbols <, >, or =

### Integer

whole numbers and their opposites

### LCM

the least number that is a common multiple

### Like terms

terms with the same variables raised to the same power

### Mean

sum of a set of data divided by the # of data items

### Median

the middle number of a set of data

### Mode

the number that occurs most often

### Multiplicative Identity

product of a number and 1 is that number

PEMDAS

### Ordered Pair

the X and Y coordinates

### Origin

intersection of the X and Y axises

### Outlier

much higher or lower than the other numbers

### Prime Numbers

only factors are 1 and itself

### Reciprocal

two numbers with a product of 1

### Term

a number, variable, or symbol

### Variable

a letter that stands for a number

### Variable Expression

math phrase that uses variables, numbers, and symbols

### X-axis

Horizontal line on a scale

### Y-axis

vertical line on a scale

Example: