Algebraic Expressions Evaluation Flashcard

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

What does it mean to evaluate an algebraic expression?

Back

To evaluate an algebraic expression means to substitute the values of the variables into the expression and perform the operations to find a numerical result.

Front

How do you substitute a value into an algebraic expression?

Back

To substitute a value, replace the variable in the expression with the given number and then simplify the expression.

Front

Evaluate the expression 6(x - 2) when x = 8.

Back

36

Front

Evaluate the expression 6x + 1 when x = 8.

Back

49

Front

Evaluate the expression 3(x - 2) when x = 9.

Back

21

Front

Evaluate the expression 8x + 10 when x = 9.

Back

82

Front

Evaluate the expression 7x + 1 when x = 9.

Back

64

Front

What is the first step in evaluating an expression like 6(x - 2)?

Back

The first step is to substitute the value of x into the expression.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.