Numerical & Algebraic Expressions

Front

Evaluate the expression when x = 4: x^2 + 2x + 3

Back

27

Front

If y = 4, find the value of 3y + 5

Back

17

Front

_________ have the same value regardless of the value that is substituted for the same variable in the expressions:

Back

equivalent expressions

Front

Evaluate 4y if y = 3

Back

12

Front

What are the variables of 7x + 6y - 9?

Back

x, y

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

What is a numerical expression?

Back

An expression that contains only numbers and operations.

Front

What does it mean for two expressions to be equivalent?

Back

They have the same value for all values of the variable.

Front

Evaluate the expression: 5x - 3 when x = 2

Back

7

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value.