Unit 4 FA #1

Which of the following is a quadratic function? Select all that apply.

Fill in the blank: The x-intercepts of a parabola are the points where the parabola intersects the _______.

• x-axis

• y-axis

• origin

• vertex

Fill in the blank: The y-intercept of a parabola is the point where the parabola intersects the _______.

• x-axis

• y-axis

• origin

• vertex

What is the domain of a quadratic function?

• All real numbers

• Positive numbers only

• Negative numbers only

• Integers only

What is the maximum or minimum point of a parabola called?

• Vertex

• Focus

• Directrix

• Axis

Which of the following is not a quadratic function?

Fill in the blank: The range of a quadratic function depends on the vertex's _______.

• a. x-coordinate

• b. y-coordinate

• c. slope

• d. intercept

Which of the following equations represents a parabola that opens downwards? Select all that apply.

The standard form of a quadratic equation is _____.

The curve created by a quadratic function is a called a(n) _____.

• ellipse
• hyperbola
• circle
• parabola