Question

Instructions: Use a graphing calculator to approximate the zeros and vertex of the following quadratic functions. Round to one decimal place, if necessary. Fill in solutions least to greatest (left to right).

Answer 1

Using a graphing calculator, we can see the graph of the function y = x²-4x+1:

as we can see, the vertex of the function is (2,-3), and the solutions are (0.3,0) and (3.7,0)