#20A Evaluating Expression with Substitution

Front

What does it mean to evaluate an expression?

Back

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

Front

Evaluate m² if m = 5.

Back

25

Front

What is the formula for the area of a square?

Back

The area of a square is given by the formula: Area = s², where s is the length of a side.

Front

Evaluate b² + 4 when b = 3.

Back

13

Front

What is the formula for the volume of a cube?

Back

The volume of a cube is given by the formula: V = s³, where s is the length of a side.

Front

Evaluate x³ + x² + x when x = 3.

Back

39

Front

What is substitution in mathematics?

Back

Substitution is the process of replacing a variable in an expression with a specific value.

Front

Evaluate 4w - 3y if w = 7 and y = 6.

Back

10

Front

What is the value of 2x + 3 when x = 4?

Back

11

Front

What does it mean for an expression to be simplified?

Back

To simplify an expression means to reduce it to its simplest form, combining like terms and performing operations.