Question

Graphing Using a CalculatorInstructions: Use a graphing calculator to approximate the zerosand vertex of the following quadratic functions. Round to onedecimal place, if necessary. Fill in solutions least to greatest (leftto right).y=x2 - 4x +1Vertex: (2 -3Solutions:and

Answer 1

y = x^2 -4 x + 1

Consider x^2 -4 x + 1 = 0

Using the Quadratic Formula:

x 1 = - 0. 3 ( 1 decimal place) x2 = -3.7 ( 1 decimal place)