3.1 - 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 '4 less than twice a number x' translate to in algebraic expression?

Back

Front

How do you express 'the quotient of 5 and a number x' in algebraic form?

Back

Front

Back

The result is -4.

Front

What is the simplified form of the expression -13.4h + 4.2h?

Back

The simplified expression is -9.2h.

Front

Simplify the expression 4x – 3 – 5x + 6.

Back

The simplified expression is -x + 3.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with specific numbers.

Front

What is the difference between an expression and an equation?

Back

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