4-1: Write and Evaluate Algebraic Expressions

Front

Evaluate 27 - x when x = 10

Back

17

Front

Identify the constant in the expression 15p + 12

Back

12

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

How many terms are in the expression 2x + 12 - 4y?

Back

3

Front

Evaluate 4x + 3 if x = 2

Back

11

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 a variable in algebra?

Back

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

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change.

Front

What does it mean to evaluate an expression?

Back

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