Evaluating Expressions

Front

What is the value of the expression 3d when d = 5?

Back

15

Front

How do you write an algebraic expression for 'a number subtracted from eight'?

Back

8 - n

Front

What is the algebraic expression for '12 more than a number'?

Back

x + 12

Front

Evaluate the expression 3x - 7 when x = 6.

Back

11

Front

What is the result of evaluating 6y - 13 when y = 4?

Back

11

Front

Define an algebraic expression.

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is a variable in algebra?

Back

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

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with their corresponding values.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal.

Front

How do you simplify the expression 2(x + 3)?

Back

2x + 6