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Math 7 Vocab Ch1

TermDefinition
conjecture a statement believed to be true
base when a number is written in exponential form, the number that is used as a factor is the ___
exponent a number that tells how many times to use the base as a factor
power a number written as a base and an exponent
scientific notation a type of shorthand for writing very big or very small numbers
numerical expression an expression made up of numbers and operations
order of operations the rules that must be followed when simplifying expressions
algebraic expression an expression that consists of one or more variables, and may contain constants and operations
constant a number that does not change in an expression
evaluate substitute a number for a variable in an algebraic expression
variable a letter that represents a number that can vary in value
coefficient the numerical factor in a term containing a variable
term a number, variable, or a product of numbers and variables
equation a mathematical statement that says two expressions are equal in value
solution a value of the variable that makes an equation true
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