Understanding Quadratic Functions with a TI Graphing Calculator

What is the direction of the parabola for the given quadratic function?

• It opens to the left.

• It opens upwards.

• It opens to the right.

• It opens downwards.

What is the y-intercept of the quadratic function discussed?

• y = 6

• y = 0

• y = 16

• y = 15

Why can't the parabola be seen in the standard window of the TI calculator?

• The function is not a quadratic.

• The default window settings do not cover the range of the parabola.

• The function is not entered correctly.

• The calculator is not turned on.

Which option should be selected to automatically adjust the window settings on the TI calculator?

• Option 2: Zoom Out

• Option 0: Zoom Fit

• Option 3: Zoom Standard

• Option 1: Zoom In

What are the coordinates of the vertex of the quadratic function?

• (0, 16)

• (-0.2, 15.4)

• (-0.2, 16)

• (0.2, 15.4)