Graphs of Quadratic Functions Review

Which of the following functions create upward-opening graphs? Select all that apply.

Which of the following functions create downward-opening graphs? Select all that apply.

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Select all of the x-intercepts present in the graph provided:

• (0, 0)

• (2, 0)

• (2, -1)

• (0, -2)

• No x intercepts exist

Which of the following inequalities represent where the graph is increasing?

Which of the following inequalities represent where the graph is increasing?

Which of the following inequalities represent where the graph is decreasing?

Which of the following inequalities represent where the graph is decreasing?

What is the vertex of function
f(x) = 3(x+4)²-8?

• (4,-8)

• (-4,-8)

• (3,-8)

• (-4,8)

What is the y-intercept for the function
y = -(x+2)²+9?

• (0,9)

• (0,5)

• (-2,9)

• (2,0)