Quadratic Functions: Standard Form

Question 1

Which parabola will have a minimum value vertex?

Revolt · Accepted Answer

[Image: On a coordinate plane, a parabola opens up with x-...]

Question 2

Consider the quadratic function:f(x) = x2 – 8x – 9 Vertex:

Revolt · Accepted Answer

4; -25

Question 3

Question 3

Revolt · Accepted Answer

-25

Question 4

x 0y > 0✔ x is a real number.

Revolt · Accepted Answer

✔ x is a real number.

Question 5

Use the drop-down menus to identify the values of the parabola.

Revolt · Accepted Answer

✔ (0, 4); Vertex =: (0, 4); Domain = {x| }: x is a real number.; Range = {y| y ≤ }: 4

Question 6

What are the intercepts of the function?

Revolt · Accepted Answer

The x-intercepts are .: (–1, 0) and (–11, 0); The y-intercept is .: (0, 11)

Question 7

02✔ 46

Revolt · Accepted Answer

✔ 4

Question 8

Which statement is true regarding the intervals where the function is increasing and decreasing?

Revolt · Accepted Answer

The function is increasing from (–∞, 0).

Question 9

What are the intercepts of the function?

Revolt · Accepted Answer

(–1, 0) and (–11, 0); The x-intercepts are .: (–1, 0) and (–11, 0); The y-intercept is .: (0, 11)

Question 10

(–11, 0)(0, –11)X (0, 0)✔ (0, 11)

Revolt · Accepted Answer

✔ (0, 11)

Quadratic Functions: Standard Form Answers