Review Unit 8

When is your Unit 8 Test?

Which function is represented by the graph?

Which equation represents the axis of symmetry for the graph?

The graph of  $$y=x^2$$  was transformed to create the graph of  $$y=\left(x-3\right)^2$$  . Which of these describes the transformation?

Which statement(s) describe the function  $$f\left(x\right)=x^2+6x-4$$  ?

I. The graph opens up II. The axis of symmetry is x = -3. III. The maximum is at (-3, -13) 

The graph of  $$f\left(x\right)=x^2$$  is transformed to create  $$h\left(x\right)=4f\left(x\right)$$  . Which graph represents f and h?

Which quadratic function represents a parabola that has a vertex of (4, 10) and goes through (2, 0)?

The graph of $$f\left(x\right)=x^2$$  was transformed to make the graph of  $$h\left(x\right)=-\left(\frac{x}{2}\right)^2$$  . Which of these describes the transformation?

What is the range of the graph below?

The graph shows the height in feet of an object above the ground t seconds after it was launched. What is the equation?

How does the graph of $$q\left(x\right)=-\frac{1}{4}x^2$$  compare to the parent function?

The profit of a donut shop can be represented by  $$y=-0.08\left(x-50\right)^2+200$$  where x is the donuts sold and y is the profit. What is the maximum profit of this donut shop?

Jordan wants to determine a quadratic function with a vertex of (5, 4) that passes through (0, 16.5). He writes his answer in vertex form. What will be the values of a, h, and k?