Variables and Algebraic Expressions
A variable is a symbol used to denote any element of a given set—often a letter used to stand for number. Variables are used to change verbal expressions into algebraic expressions.
Give the algebraic expression.
Verbal Expression
|
Algebraic Expression
|
|---|---|
The sum of a number n and 7
|
n + 7 or 7 + n
|
The number n diminished by 10
|
n – 10
|
Seven times the number n
|
7 n
|
x divided by 4
|  |
Five more than the product of 2 and n
|
2 n + 5 or 5 + 2 n
|
Seven less than the quotient of y and 4
|  |
From: http://www.cliffsnotes.com/math/algebra/algebra-i/terminology-sets-and-expressions/variables-and-algebraic-expressions
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