Use the Quadratic Formula to solve part (b) of problem 7-27. Did your solution match the solution you got in part (b) of problem 7-27? Which solution method do you prefer?
Example 2: Solve for using the Quadratic Formula. Solution: This method works for any quadratic. First, identify . equals the number of terms, equals the number of terms, and equals the constant. For , . Substitute the values of into the Quadratic Formula and evaluate the expression twice: once with addition and once with subtraction. Examine this method below: