What technique was used to evaluate an infix expression? just evaluate the infix expression directly convert to infix, then evaluate the infix expression convert to postfix, then evaluate the postfix expression convert to prefix, then evaluate the prefix expression In this chapter, which type of expression did we look at evaluating using a stack? postfix palindromes infix prefix QUESTION 7 Some uses for a stack looked at in this chapter include all but which of the following: recognizing strings in a language finding the kth smallest value in an unsorted array checking for balanced braces in an expression evaluating algebraic expressions