Intro to Algebraic Expressions

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What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

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What does the term 'variable' mean in algebra?

Back

A variable is a symbol, usually a letter, that represents an unknown number. For example, in the expression 2x + 3, 'x' is the variable.

Front

What is a coefficient?

Back

A coefficient is a number that is multiplied by a variable in an algebraic expression. For example, in 4x, 4 is the coefficient.

Front

What does 'constant' mean in algebra?

Back

A constant is a fixed value that does not change. For example, in the expression 5x + 3, the number 3 is a constant.

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What does 'sum' mean?

Back

The sum is the result of adding two or more numbers together.

Front

What does 'product' mean?

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The product is the result of multiplying two or more numbers together.

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What is the difference between an expression and an equation?

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An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal.

Front

What does 'operation' refer to in algebra?

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An operation refers to a mathematical process such as addition, subtraction, multiplication, or division.

Front

How do you represent 'twenty times h' in algebraic form?

Back

It is represented as 20h.

Front

What is the algebraic expression for 'the sum of x and 7'?

Back

It is represented as x + 7.