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MTD Key Vocabulary
Word | Definition |
---|---|
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 | in a power, the number used as a factor; any side of a parallelogram. |
composite number | a number greater than 1 with more than two factors. |
cubed | the product in which a number is a factor three times. |
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 equation 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 preform first when more than one operation is used. |
power | a number that can be expressed using an 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 umber itself. |
solution | the value of a variable that makes an 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. |
defining 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 equal sign,=. |