Algebraic Expressions

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

Identify the coefficient in the expression: 4x + 7.

Back

4

Front

What does the term 'variable' refer to in algebra?

Back

A variable is a symbol, usually a letter, that stands for an unknown number.

Front

What is the difference between a variable and a constant?

Back

A variable can change its value, while a constant is a fixed value that does not change.

Front

Write the algebraic expression for: 'the sum of 5 and a number x'.

Back

5 + x

Front

How would you express 'the product of 2 and y decreased by 3' in algebraic form?

Back

2y - 3

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value, a number on its own, whose value does not change.

Front

If an expression is given as 3x + 2y - 5, what are the coefficients?

Back

3 and 2.

Front

What is the algebraic expression for: '7 less than twice a number z'?

Back

2z - 7

Front

Define an algebraic expression.

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.