Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables (like n or d), and operations (like addition, subtraction, multiplication, and division).

Front

What does 'a number decreased by 9' mean in algebraic terms?

Back

It means to subtract 9 from a variable, represented as n - 9.

Front

How do you express 'the quotient of a number and 9' in algebra?

Back

It is expressed as n/9.

Front

What does 'a number increased by 9' translate to in algebraic expression?

Back

It translates to n + 9.

Front

How is 'd decreased by 29' represented in algebra?

Back

It is represented as d - 29.

Front

What does '2 less than the quotient of d and 6' mean in algebra?

Back

It means to take the quotient of d and 6, then subtract 2, represented as d/6 - 2.

Front

What is the difference between a variable and a constant in algebra?

Back

A variable is a symbol (like n or d) that represents an unknown value, while a constant is a fixed value (like 9 or 29).

Front

What is the purpose of using algebraic expressions?

Back

Algebraic expressions are used to represent real-world situations and to solve problems involving unknown quantities.

Front

How do you simplify the expression 2n + 3n?

Back

You combine like terms to get 5n.

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What does it mean to evaluate an algebraic expression?

Back

To evaluate an algebraic expression means to substitute the values of the variables and perform the operations.