Evaluating Expressions

Front

Evaluate the expression 2x + 3 + x^2 for x = 4

Back

27

Front

Evaluate the expression \(\frac{28}{m}\) when m = 4

Back

7

Front

What is the difference between a numerical expression and an algebraic expression?

Back

Algebraic expressions contain variables, while numerical expressions do not.

Front

If the expression 5n + 2 represents the total cost in dollars of bowling, how much will it cost Vincent to bowl 3 games?

Back

$17

Front

Evaluate the expression 32 - f when f = 2.4

Back

29.6

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operations without an equals sign.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol (often a letter) that represents an unknown value.

Front

Evaluate the expression 3a + 4 for a = 5

Back

19

Front

What does it mean to evaluate an expression?

Back

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

Front

Evaluate the expression 4x - 7 for x = 2

Back

1