Evaluating Algebraic Expressions with Exponents

This video tutorial teaches how to evaluate algebraic expressions using exponents. It begins with an introduction to algebraic expressions and the importance of the order of operations. The tutorial highlights common mistakes when using exponents and demonstrates the correct method of substitution in expressions. It provides step-by-step evaluations of the expression x squared plus 8 for x=5 and x=10, emphasizing the correct application of the order of operations. The lesson concludes with a summary of the key points covered.

Describe how to substitute a number for a variable in an algebraic expression.

What is the value of the algebraic expression x squared plus 8 when x equals 10?