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# Mrs. Bullecks Ch. 1

### Mrs. Bullecks Number Patterns and Functions

algebra A mathematical language that uses symbols, usually letters, along with numbers. The letters stand for numbers that are unknown.
algebraic expression A combination of variables, numbers, and at least one operation.
area The number of square units needed to cover the surface enclosed by a geometric figure.
base The number used as a factor.
composite number A number greater than 1 with more than two factors.
cubed The product in which a number is a factor three times.
define the variable Choosing a variable to represent the input when writing a function rule.
equals sign A symbol of equality.
equation A mathematical sentence that contains an equals sign, =
evaluate To find the value of an algebraic expression by replacing variables with numerals.
exponent In a power, the number of times the base is used as a factor.
factor A number that divides into a whole number with a remainder of zero.
formula An equations that shows a relationship among certain quantities
function A relation in which each element of the input is paired with exactly one element of the output according to a specified rule.
function rule An expression that describes the relationship between each input and output.
function table A table organizing the input, rule, and output of a function.
numerical expression A combination of numbers and operations.
order of operations The rules that tell which operation to perform first when more than one operation is used.
power A number that can be expressed using and exponent.
prime factorization A composite number expressed as a product of prime numbers.
prime number A whole number that has exactly two unique factors, 1 and the number itself.
solution The value of a variable that makes and equation true.
solve To replace a variable with a value that results in a true sentence.
squared A number multiplied by itself.
variable A symbol, usually a letter, used to represent a number.
Created by: Bullecks