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 'twice a number' mean in algebra?

Back

'Twice a number' means to multiply that number by 2. For example, twice a number x is represented as 2x.

Front

How do you represent 'the sum of 13 and twice a number h' in algebraic form?

Back

The algebraic expression is 13 + 2h.

Front

What is the product of two numbers?

Back

The product of two numbers is the result of multiplying them together.

Front

How do you express 'the product of 7 and j increased by 3' in algebraic form?

Back

The algebraic expression is 7j + 3.

Front

What does 'the difference of a number and five' mean?

Back

It means to subtract 5 from that number. If the number is x, it is expressed as x - 5.

Front

How do you write 'three times the difference of a number and five' in algebraic form?

Back

The algebraic expression is 3(x - 5).

Front

What is the meaning of 'solving an expression'?

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Solving an expression typically means evaluating it to find its numerical value.

Front

What is the value of 5² - 2 + 3?

Back

The value is 26.

Front

How do you express 'twice a number x plus 8' in algebraic form?

Back

The algebraic expression is 2x + 8.