To find the vertex, What must you do with the value you get from the formula −b2a Question 4 options:

That value is your vertex
I have no idea, I haven't listened all week
Plug it into original equation
Plug it into quadratic formula
True or False?

All Parabolas are symmetric

Question 5 options:
True
False
Given the equation −2x2−4x+48, Select which is true about this graph

Question 2 options:

The parabola opens down
The parabola opens up
The roots can not be found
The x-intercept is (0,48)
Roots are (-6,0) and (4,0)
The vertex is (0,48)
The vertex is (-1,50)
y-intercept is (0,48)

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

What is the area of the shaded sector?