Quadratic Function

What is the vertex of the function f(x)= -x^ + 8x - 10?

• (-4,-6)

• (4,6)

• (-4,6)

• (4,-6)

Convert f(x) = (x+5)^2 - 1 to quadratic form of the function.

• f(x) = x^2 - 10x + 24

• f(x) = x^2 - 10x - 24

• f(x) = x^2 + 10x + 24

• f(x) = x^2 + 10x - 24

Which are the x-intercepts of f(x) = (x + 2)(x - 5) ?

• x = 2, -5

• x = -2, -5

• x = 2, 5

• x = -2, 5

What piece of information does “c” identify in the following function?

f(x) = ax^2 + bx + c

• Vertex

• Axis of symmetry

• y-intercept

• x-intercept

What is the axis of symmetry?

f(x) = x^2 + 2x + 1

• x = -1

• x = 2

• x = 3

• x = -4

Identify the vertex and whether the graph opens up or down in the following function:

f(x) = -1/3(x - 5)^2 + 6

• Opens down,

  (5,6)

• Opens up,

  (5,6)

• Opens down,

  (-5,-6)

• Opens up,

  (5,-6)

What is the vertex of the function f(x) = 5(x - 3)^2 - 7 ?

• (3,7)

• (-3,7)

• (3,-7)

• (-3,-7)

Which is the constant term of f(x) = -4x^2 -8x + 8 ?

• -8

• -8x

• -4x^2

• 8

Which is the quadratic term of f(x) = -4x^2 -8x + 8 ?

• -4x^2

• -8x

• 8

• -4x

What is the linear term of f(x) = -4x^2 - 10x + 1 ?

• -10

• 1

• -10x

• -4x^2