Write and Evaluate Algebraic Expressions

Front

What is a variable in algebra?

Back

A symbol, often a letter, that represents an unknown number.

Front

What is a coefficient?

Back

A numerical factor in a term of an algebraic expression.

Front

What is a constant in an algebraic expression?

Back

A fixed value that does not change.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting numbers for variables.

Front

What is the order of operations?

Back

A set of rules that determines the sequence in which calculations are performed, often remembered by PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

Front

How do you write an expression for '5 more than a number'?

Back

n + 5

Front

What is the expression for 'twice a number'?

Back

2n

Front

Evaluate the expression 3x + 4 when x = 1.

Back

7

Front

What is the expression for 'the sum of a number and 10'?

Back

n + 10