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1.1: Variable Expressions

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

operation

Operations are actions performed on variables, constants, or expressions. Common operations are addition, subtraction, multiplication, and division.

Variable

A variable is a symbol used to represent an unknown or changing quantity. The most common variables are a, b, x, y, m, and n.

Exponent

Exponents are used to describe the number of times that a term is multiplied by itself.

Operations

Operations are actions performed on variables, constants, or expressions. Common operations are addition, subtraction, multiplication, and division.

Square Root

The square root of a term is a value that must be multiplied by itself to equal the specified term. The square root of 9 is 3, since 3 * 3 = 9.

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Difficulty Level:
At Grade
Grades:
8 , 9
Date Created:
Feb 24, 2012
Last Modified:
Jan 26, 2017
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MAT.ALG.144.L.1