Quadratic Graphs Equations

What is the domain and the range for the graph?

• Domain : -2 ≤ x ≤ 2
  Range : 0 ≤ y ≤ 4

• Domain : 0 ≤ x ≤ 4
  Range : -2 ≤ y ≤ 2

• Domain : All real #s
  Range : y ≤ 4

• Domain : -2 ≤ x ≤ 2
  Range : y ≤ 4

Determine the domain and range of the function

• Domain: All real numbers

  Range: All real numbers

• Domain: x ≥ -4

  Range: All real numbers

• Domain: All real numbers

  Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5

  Range: y ≥ -4

What is the vertex?

• (-3, 1)

• (-1, 4)

• (0, 3)

• (-3, 0)

what is the y-intercept of the parabola?

• y =1

• y = -7

• y = 3

• y = 7

What is the vertex ?

• (0, 7)

• (6, 7)

• (3,3)

• (3,1)

What is the zeros of the equation: y = 2(x - 7)(x + 3)

• 2

• -7, 3

• 7, -3

• -2

Given: vertex (1, 18) and zeros -2 and 4 What is the equation of the quadratic function in factored form?

• y = 2(x -2) (x + 4)

• y = -2 (x + 2)(x - 4)

• y = 1/2 (x+ 2) (x - 4)

• y = -1/2 ( x + 2) ( x - 4)

which of the following would be the linear factors of the quadratic function?

• y = a (x - 3)(x + 1)

• y = a (x - 3) (x - 1)

• y = a (x + 3)(x - 1)

• y = a(x+ 3)(x + 1)

Given the parabola has the zeros of -10 and 4 what is the axis of symmetry?

• x = 3

• x = 1/3

• x = -3

• x = - 1/3

When given the zeros, how do you find the vertex?

• First find the axis of symmetry then plug that into the equation for x and solve for y.

• First plug the zeros into the equation for x and solve

• guess

• First find the axis of symmetry then plug that into the equation for y and solve for x.