Quadratic Functions Quiz

What is the maximum/minimum value of a quadratic function?

• Minimum value (if coefficient is positive) or Maximum value (if coefficient is negative)

• The maximum/minimum value of a quadratic function is always 0

• Maximum value (if coefficient is positive) or Minimum value (if coefficient is negative)

• There is no maximum/minimum value for a quadratic function

How many points are needed to uniquely determine a parabola?

• 3

• 1

• 4

• 2

Tags

CCSS.HSF-IF.C.7A

Which form of a quadratic function is useful for finding the vertex?

• Factored form

• Intercept form

• Standard form

• Vertex form

How is the axis of symmetry related to the vertex of a quadratic function?

• The axis of symmetry is a diagonal line that passes through the vertex of a quadratic function.

• The axis of symmetry is a curved line that passes through the vertex of a quadratic function.

• The axis of symmetry is a vertical line that passes through the vertex of a quadratic function.

• The axis of symmetry is a horizontal line that passes through the vertex of a quadratic function.

What are the three points needed to determine a parabola?

• Vertex, focus, and a point on the parabola

• Tangent line, focus, and a point on the parabola

• Directrix, focus, and a point on the parabola

• Axis of symmetry, focus, and a point on the parabola

What is the standard form of a quadratic function?

• ax^2 + c

• ax^2 + bx + d

• ax^2 + bx + c

• ax^2 + bx

How can you determine if a quadratic function opens upward or downward?

• By checking the sign of the coefficient of the quadratic term.

• By checking the value of the discriminant.

• By checking the sign of the constant term.

• By checking the sign of the linear term.

Tags

CCSS.HSF-IF.C.7A