Exploring Quadratic Domain and Range

If a parabola opens downwards, what type of graph is it?

• Maximum graph

• Linear graph

• Constant graph

• Minimum graph

What is the domain of a parabolic graph?

• All real numbers

• Only positive real numbers

• No real numbers

• Only negative real numbers

What is the domain of a quadratic function represented by a graph with no restrictions on the x-values?

• No real numbers

• All real numbers

• All positive x-values

• x = 0

What determines the range of a quadratic function?

• The coefficient of x^2

• The direction of the parabola

• The vertex of the parabola

• The intercepts on the x-axis

In a graph with arrows pointing upwards, what is the range?

• y is less than or equal to zero

• y is greater than zero

• y is greater than or equal to zero

• y is less than zero

What is the range if the vertex of a parabola is at y = -2 and it opens upwards?

• y != -2

• y <= -2

• y = -2

• y >= -2

For a quadratic function graph with a vertex at y = 0 and opening upwards, what is the correct range notation?

• y >= 0

• y <= 0

• y > 0

• y < 0

How does a closed circle on a graph affect the domain?

• Excludes the value at the circle

• Includes the value at the circle

• Makes the domain infinite

• Has no effect

What is the domain when a graph has a closed circle at -2 and an open circle at 3?

• x <= -2 or x >= 3

• x < -2 or x > 3

• -2 <= x < 3

• -2 < x <= 3

What does an open circle in a graph typically indicate about the range?

• Includes the endpoint

• Indeterminate

• Excludes the endpoint

• Range is all real numbers