PA COMPETITION

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change, represented by a number in an algebraic expression.

Front

Evaluate the expression b² + 4 when b = 3.

Back

The value is 13.

Front

In the expression 3x + 7, which term is the constant?

Back

The constant is 7.

Front

Which of the following is NOT an algebraic expression: 5x + 6 or 5x + 6 = 24?

Back

5x + 6 = 24 is NOT an algebraic expression because it is an equation.

Front

If Darrel is currently 20 feet below sea level, how is his elevation represented?

Back

Darrel's elevation is represented as -20.

Front

What is an algebraic expression?

Back

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

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What does the term 'variable' mean in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression or equation.

Front

How do you identify the coefficient in an algebraic term?

Back

The coefficient is the numerical factor that multiplies the variable in an algebraic term.

Front

What is the value of the expression 2x + 3 when x = 4?

Back

The value is 11.