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# Math algebra 1 quiz

### vocab for math quiz

What is a variable? a letter used to represent a number
What is an expression? an expression consists of numbers, variables, and operations. DO NOT HAVE AN EQUAL SIGN
What is and algebraic expression? an expression that includes at least one variable
What is a power? an expression that represents repeated multiplication of the same factor
What is a base? the number used in the repeated multiplication
What is an exponent? represents the number of times the base is used as a factor
What is a rate? a fraction that compares two quantities that are measured in different units
<_ less than or equal to _> greater than or equal to at most, more than at least, no less than
What is a function? a rule that establishes a relationship between two quantities, called the output and the input
What is a matrix? a rectangular arrangement of numbers in rows and columns. Dimensions written as (M) rows - (N) columns |
What is an element? each number in a matrix also called an entry
What are terms? parts of an expression that are added together. (ex. -7, 13x, 2x, 8)
What is a coefficient? The # part of a term with a variable part. (ex. -7x.............. coeff. = -7
What is a constant term? a term that has a number but no variable part. (ex. 7, 6, 9)
What are like terms? terms that have the same variable parts (ex. 7x, -42x, 6x)
What are reciprocals? two nonzero numbers whose product is one (ex. 3/5 ~ 5/3)
What is multiplicative inverse? the reciprocal of an inverse
What is a radicand? the number or expression inside the radical symbol
What are irrational numbers? a number that can't be written as the quotient of two integers
Created by: maxon003