Evaluating Algebraic Expressions

Front

What is an algebraic expression?

Back

An expression that contains numbers, operations, and one or more variables.

Front

Evaluate the expression when a = 3, b = 4, and c = -6: bc + 5a

Back

-9

Front

Evaluate the expression when p = 9 and q = 2: |10p - 7q|

Back

76

Front

Evaluate the expression when x = 2: 3x + 8

Back

14

Front

Evaluate the expression when x = 8: 2x + x - 10

Back

14

Front

What is a variable in algebra?

Back

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

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with their numerical values.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor that multiplies a variable.

Front

What is a constant in an algebraic expression?

Back

A fixed value that does not change.