Exploring Quadratic Functions

What is the highest exponent in a quadratic expression?

• 1

• 4

• 2

• 3

Which of the following is NOT a quadratic expression?

• x^2 + 3x + 2

• x^3 - 2x + 1

• x^2 - 4

• 2x^2 + 5

In the standard form of a quadratic function, y = ax^2 + bx + c, what does 'a' represent?

• The y-intercept

• The constant term

• The coefficient of x

• The leading coefficient

What shape does the graph of a quadratic function take?

• Line

• Ellipse

• Circle

• Parabola

What is the term for the point where a parabola changes direction?

• Axis of symmetry

• Vertex

• Intercept

• Focus

What is the term for the line that divides a parabola into two symmetrical halves?

• Intercept

• Vertex

• Focus

• Axis of symmetry

Which of the following is an example of a real-life parabola?

• A satellite dish

• A square table

• A straight road

• A round clock

Where are the x-intercepts of a parabola located?

• At the focus

• At the vertex

• On the x-axis

• On the y-axis

If the coefficient 'a' in a quadratic function is positive, what is the nature of the vertex?

• Neither

• Both

• Maximum

• Minimum

What happens to the vertex of a parabola if 'a' is negative?

• It disappears

• It stays the same

• It becomes a minimum

• It becomes a maximum