Evaluating Expressions

Front

What is the process of evaluating an expression?

Back

Evaluating an expression involves substituting the values of variables into the expression and performing the necessary arithmetic operations to simplify it to a single numerical value.

Front

How do you evaluate an expression with a single variable?

Back

To evaluate an expression with a single variable, substitute the value of the variable into the expression and perform the arithmetic operations.

Front

Evaluate the expression 3b - 5 when b = -2.

Back

-11

Front

What is the value of m squared (m^2) when m = 7?

Back

49

Front

How do you evaluate a linear expression like 3d?

Back

To evaluate a linear expression like 3d, substitute the value of d into the expression and multiply by 3.

Front

Evaluate the expression 3d when d = 5.

Back

15

Front

What is the result of evaluating 5m + 7 when m = 5?

Back

32

Front

How do you evaluate an expression with two variables, such as 5x + 4y?

Back

To evaluate an expression with two variables, substitute the values of both variables into the expression and perform the arithmetic operations.

Front

Evaluate the expression 5x + 4y when x = 3 and y = 2.

Back

23

Front

What is the importance of parentheses in evaluating expressions?

Back

Parentheses indicate the order of operations and can change the result of an expression if not properly accounted for.