click below
click below
Normal Size Small Size show me how
PHMS7_M7CH1
7th Grade Chapter 1 Vocab
| Question | Answer |
|---|---|
| algebra | the brainch of mathematics that involves expressions with variables |
| algebraic expression | a combination of variables, numbers, and at least one operation |
| arithmetic sequencesequence | a sequence in which each term is found by adding the same number to the previous term |
| base | in a power, the number used as a factor |
| coefficient | the numerical factor of a term contains a variable |
| defining the variable | choosing a variable to represent an unknown value in a problem and using it to write an expression or equation to solve the problem |
| domain | the set of input values for a function |
| equation | a mathematical sentence that contains an equals sign, = |
| equivalent expressions | expressions that have the same value |
| evaluate | to find the value of an expression |
| exponent | in a power, the nember that tells how many times the base is used as a factor |
| factors | two or more numbers that are multiplied together to form a product |
| 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 | the operation performed on the input of a function |
| numerical expression | a combination of numbers and operations |
| order of operations | the rules to follow when more than one operation is used in a numerical expression ** PEMDAS **** MD left to right ****AS left to right |
| perfect square | nnumbers with square roots that are whole numbers |
| powers | numbers expressed using exponents |
| radical sign | the symbol used to indicate a nonnegative square root |
| range | the difference between the greatest and least numbers in a data set |
| sequence | a list of numbers in a certain order |
| solution | a valuefor a the variable that makes an equation true |
| square | a product of a number and itself |
| square root | one of the two equal factors of a number |
| term | each number in a sequence |
| variable | a placeholder, usually a letter, used to represent an unspecified value in mathematical expressions or sentences |