Quadratic Functions

Which of the following is a quadratic equation?

• a. 2x + 5 = 0

• b. x^2 - 3x = 0

• c. 1/x = 2

• d. √x = 4

The graph of a quadratic function is called a:

• a. Line

• b. Parabola

• c. Circle

• d. Ellipse

The quadratic equation x^2 + 5x + 6 = 0 can be solved by:

• a. Factoring

• b. Completing the square

• c. Quadratic formula

• d. All of the above

How can you represent a quadratic function using a table of values?

• By listing x and y values arbitrarily

• By listing x values in order and calculating corresponding y values

• By listing y values in order and calculating corresponding x values

• By calculating the vertex directly

How can you determine the direction of opening for a quadratic function?

• By finding the vertex

• By looking at the coefficient of x

• By calculating the discriminant

• By finding the x-intercepts

What does the constant term 'c' in a quadratic equation represent?

• Vertex

• Y-intercept

• Axis of symmetry

• X-intercept

In the quadratic function f(x) = 2x^2 - 5x + 3, what is the value of a?

• a. 2

• b. -5

• c. 3

• d. 0

In the quadratic equation 3x^2 - 7x + 2 = 0, what is the value of b?

• a. 3

• b. -7

• c. 2

• d. 0

In the quadratic function f(x) = -x^2 + 4x - 1, what is the value of c?

• a. -1

• b. 4

• c. -1

• d. 0

• a

• b

• c

• d