Vertex Form Quiz (5 Questions)

1. What is the general vertex form of a quadratic?

2. What is the vertex of f(x) = (x – 4)^2 – 3?

3. If a<0, does the parabola open up or down?

4. What does $k$ represent?

5. Which form is best for finding maximum or minimum values?

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Answer Key

1. f(x) = a(x – h)^2 + k

2. (4,−3)

3. Down

4. Vertical shift (y-value of the vertex)

5. Vertex form