Writing and Evaluating Algebraic Expressions

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. In the expression 15p + 12, the constant is 12.

Front

How many terms are in the expression 2x + 4y + 8 - 2?

Back

There are 4 terms in the expression: 2x, 4y, 8, and -2.

Front

Write an algebraic expression for 9 less than the quotient of n and 5.

Back

Front

If k friends evenly divide a 12 slice pizza, how many slices does Harris eat if he ate 1 fewer slice than he was given? Write your answer as an expression.

Back

Front

What is the expression for 4 divided by the sum of a number and 12?

Back

Front

Define an algebraic expression.

Back

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

Front

What is a variable in algebra?

Back

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

Front

What does it mean to evaluate an algebraic expression?

Back

To evaluate an algebraic expression means to substitute the values of the variables and perform the operations to find a numerical result.

Front

What is the difference between a term and a coefficient?

Back

A term is a single mathematical expression, while a coefficient is a numerical factor in a term. For example, in 5x, 5 is the coefficient.

Front

How do you combine like terms in an expression?

Back

To combine like terms, add or subtract the coefficients of terms that have the same variable raised to the same power.