Writing Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What does it mean to 'divide by the sum of a number and a constant'?

Back

It means to take a number and add a constant to it, then divide another number by this total. For example, 4 divided by (n + 12) is written as 4 / (n + 12).

Front

How do you express '5 less than v' in algebraic form?

Back

It is expressed as v - 5.

Front

What is the product of a number and a constant?

Back

The product of a number (variable) and a constant is found by multiplying them together. For example, the product of 7 and j is written as 7j.

Front

How do you express '4 less than a number'?

Back

It is expressed as n - 4.

Front

What does 'the difference of p and 7' mean in algebra?

Back

It refers to subtracting 7 from p, written as p - 7.

Front

How do you express 'the difference of p and 7, divided by 2'?

Back

It is expressed as (p - 7)/2.

Front

What is the meaning of 'increased by' in algebraic expressions?

Back

'Increased by' means to add a number to another. For example, 'the product of 7 and j increased by 3' is written as 7j + 3.

Front

What does 'less than' indicate in an algebraic expression?

Back

'Less than' indicates subtraction. For example, '5 less than v' means v - 5.

Front

How do you write 'the sum of a number and a constant'?

Back

It is written as n + constant, where n is the variable.