Evaluating Expressions

Front

What is the expression for the sum of 6 and x?

Back

x + 6

Front

How many terms are in the expression 3x + 2y + z?

Back

3

Front

Evaluate 4y if y = 3.

Back

12

Front

Evaluate 3d if d = 5.

Back

15

Front

Evaluate bc + 5a when a = 3, b = 4, and c = -6.

Back

-9

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is a variable?

Back

A symbol (like x or y) that represents an unknown value.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is a term in an expression?

Back

A single mathematical component, which can be a number, a variable, or a product of numbers and variables.

Front

What is the coefficient in the expression 5x + 3?

Back

5 (the number multiplying the variable x).