Key Features of Quadratic Functions

What is the vertex of the quadratic function f(x) = x^2 - 2x - 3?

• (0, -3)

• (1, -4)

• (-1, 0)

• (3, 0)

What type of value is the vertex of the parabola when it opens upwards?

• Inflection point

• Maximum

• Minimum

• Intercept

Where does the function f(x) = x^2 - 2x - 3 cross the x-axis?

• x = 1, x = -4

• x = 0, x = -3

• x = -1, x = 3

• x = 2, x = -2

Tags

CCSS.HSF-IF.C.7A

What is the y-intercept of the function f(x) = x^2 - 2x - 3?

• (0, -3)

• (3, 0)

• (0, 3)

• (1, -4)

Tags

CCSS.HSF-IF.C.7A

What is the equation for the axis of symmetry for the function f(x) = x^2 - 2x - 3?

• x = 2

• x = 1

• x = 0

• x = -1

Using the axis of symmetry formula, what is the value of x when b = -2 and a = 1?

• x = 1

• x = -1

• x = 2

• x = 0

What is the range of the function f(x) = x^2 - 2x - 3?

• (-∞, -4]

• (-∞, ∞)

• (-∞, 9]

• [-4, ∞)

What is the turning point of the quadratic function shown in the table?

• (0, -3)

• (1, 9)

• (0, 8)

• (1, -4)

What is the maximum y-value of the quadratic function from the table?

• 9

• 8

• -3

• -7

What is the y-intercept of the quadratic function from the table?

• (0, -3)

• (1, -4)

• (1, 9)

• (0, 8)

Tags

CCSS.HSF-IF.C.7A