Question

Medal and fan please help :(
An expression is shown below:
f(x) = -16x2 + 60x + 16
Part A: What are the x-intercepts of the graph of the f(x)? Show your work. (2 points)

Part B: Is the vertex of the graph of f(x) going to be a maximum or minimum? What are the coordinates of the vertex? Justify your answers and show your work. (3 points)

Part C: What are the steps you would use to graph f(x)? Justify that you can use the answers obtained in Part A and Part B to draw the graph. (5 points)

Answer 1

@Hotchellerae21 could you please help me? I have confused myself so bad.

Answer 2

@bohotness areyou available?

Answer 3

I have been on this forever and have no idea what to do :(

Answer 4

sorry i am lagg

Answer 5

its okay, do you know how I could do this problem?

Answer 6

https://answers.yahoo.com/question/index?qid=20140321095831AA3ra6N

its not the same one but it shows how to solve the problem

Answer 7

what...

Answer 8

can i answer for this question!!!

Answer 9

go head lol

Answer 10

Yes please @lalipapa123

Answer 11

-16x2 + 60x + 16 = 0
16 + 60x + -16x2 = 0
16 + 60x + -16x2 = 0
4(4 + 15x + -4x2) = 0
4((4 + -1x)(1 + 4x)) = 0
4 + -1x = 0

Answer 12

is what I got so far...

Answer 13

@bohotness is that right for part a?

Answer 14

yes

Answer 15

@iGreen could you help me?

Answer 16

Its completely right?

Answer 17

@Preetha would you be so kind as to help me?

Answer 18

@iambatman are you available?

Answer 19

Forget it. I have asked probably 10 questions in the last 2 weeks and no one can give me any explanation.