Quadratic Functions H and K Values

What is the vertex of the given quadratic function?

• V(0,k)

• V(h,0)

• V(h,k)

• V(k,h)

Does this question have a maximum or a minimum?

• Maximum

• Minimum

The axis of symmetry line passes through which point?

• y-intercept

• any random point

• vertex

• none of these

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

In the vertex form f(x) = a(x - h)² + k , what does the 'k ' value do?

• Shifts the function left or right

• Reflects over the x-axis

• Vertical stretch or compression

• Shifts the function up or down

• It shifts the graph vertically.

• It shifts the graph horizontally.

• It changes the width of the parabola.

• It changes the direction of the parabola opening.

What does the k term tell you?

• up.

• down.

• up/down, y-value in the vertex

• nothing

• Maximum value of -9

• Minimum value of -9

• Maximum value of 9

• Minimum value of 9

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum