Evaluating Algebraic Expressions

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

How do you evaluate an algebraic expression?

Back

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

Front

What is the value of the expression 5m + 7 when m = 5?

Back

32

Front

What is the value of the expression 7a - 6 when a = 3?

Back

15

Front

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

Back

49

Front

How do you evaluate the expression m - n?

Back

Substitute the values of m and n into the expression and perform the subtraction.

Front

What is the value of m - n when m = 29 and n = 11?

Back

18

Front

What does (y + z)^2 represent?

Back

It represents the square of the sum of y and z.

Front

What is the value of (y + z)^2 when y = 5 and z = 2?

Back

49

Front

What is the order of operations used in evaluating expressions?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.