Algebraic Expressions

Front

What is an algebraic expression?

Back

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

Front

What does '4 times a number' mean in algebra?

Back

It means to multiply a variable (like x) by 4, represented as 4x.

Front

How do you express 'increased by' in algebraic terms?

Back

'Increased by' means to add, so 'a number increased by 7' is written as x + 7.

Front

What is the product of a number and 9?

Back

The product of a number (n) and 9 is written as 9n.

Front

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

Back

The quotient of a number (n) and 9 is written as n/9.

Front

What does 'the sum of seven and x' mean in algebra?

Back

It means to add 7 and x, written as 7 + x.

Front

What is the difference between a term and an expression?

Back

A term is a single mathematical entity (like 4x), while an expression is a combination of terms (like 4x + 7).

Front

What is a variable in algebra?

Back

A variable is a symbol (like x or n) that represents an unknown value.

Front

What does '4n + 15' represent?

Back

It represents 4 times a number (n) increased by 15.

Front

How do you write 'the difference of a number and 5'?

Back

It is written as n - 5.