Key Features of Quadratic Functions

What shape does the graph of a quadratic function typically have?

• Straight line

• V-shaped

• U-shaped

• Circle

What is the vertex of a quadratic function?

• The point where the graph changes direction

• The point where it crosses the x-axis

• The highest or lowest point on the graph

• The point where it crosses the y-axis

What does the axis of symmetry in a quadratic function represent?

• The minimum value of the function

• The vertical line that divides the graph into two symmetrical parts

• The horizontal line that divides the graph

• The maximum value of the function

What are the x-intercepts of a quadratic function also known as?

• Y-intercepts

• Vertex points

• Axis points

• Zeros or roots

If a quadratic function's graph opens upwards, what does its vertex represent?

• Y-intercept

• Minimum value

• X-intercept

• Maximum value

What is the domain of a quadratic function?

• Only integers

• All real numbers

• All negative numbers

• All positive numbers

How is the range of a quadratic function that opens upwards described?

• All negative y values

• All positive y values

• All y values greater than or equal to the vertex

• All y values less than or equal to the vertex

What is the equation of the axis of symmetry for the given quadratic function example?

• y = 1

• x = 1

• x = -4

• y = -4

What are the coordinates of the vertex in the provided example?

• (3, 0)

• (-1, 0)

• (1, -4)

• (0, -4)

What tool can be used at home to graph a quadratic function?

• A scientific calculator

• Desmos graphing calculator

• A ruler

• A protractor