A sandbag was thrown downward from a building. The function f(t) = -16t2 - 32t + 128 shows the height f(t), in feet, of the sandbag after t seconds.
Part A: Factor the function f(t) and use the factors to interpret the meaning of the x-intercept of the function. (4 points)
Part B: Complete the square of the expression for f(x) to determine the vertex of the graph of f(x). Would this be a maximum or minimum on the graph? (4 points)
Part C: Use your answer in part B to determine the axis of symmetry for f(x)? (2 points)

- anonymous

- jamiebookeater

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga.
Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus.
Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Get this expert

answer on brainly

SEE EXPERT ANSWER

Get your **free** account and access **expert** answers to this

and **thousands** of other questions

- anonymous

giving medals for answers!!!!!!!!!!

- welshfella

First take. -16 out
-16(t^2+2t-8)
Can you factor this?

- anonymous

I have no clue how to do any of this...

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

- welshfella

This factors to the from
-16(t+a)(t+b)
And to get the x intercepts equate to zero and sovereign for t
One of these values of t will be the times when height is zero

- welshfella

* solve for t

- nincompoop

well let us understand what the equation meant first

- nincompoop

solving for t, or anything is pretty useless if you do not understand what it is

- anonymous

wait so I substitute the 0 for t?

- anonymous

@welshfella ??????????

- nincompoop

The function \(f(x) = ax^2 + bx + c \) gives you a general clue about the location or position of the object that is you are working on. The c in the function tells you how high or how far you are starting from.
|dw:1434219502610:dw|

- nincompoop

You are being asked to factor the function \(f(x) = -16t^2 - 32t + 128 \) and was asked to interpret the x-intercepts.
But before you jump into factoring it, you need to remember the general graph for a quadratic equation. It is called a quadratic equation because the highest exponent is 2.
|dw:1434219835751:dw|

- nincompoop

The x-intercept in a quadratic equation is the location where the graph intercepts the x-axis. If you look closely, the value of y in the x-axis is zero.

- nincompoop

The x-intercept in a quadratic equation is the location where the graph intercepts the x-axis. If you look closely, the value of y in the x-axis is zero. And if we interpret this into falling object from a particular height or object thrown from the ground, the intercepts are the zeroes - one of them is where you started.
if you make t equals to zero \(f(t) = -16t^2 - 32t + 128 \) you will get what I told you in the beginning - the position function, that is where your object is.
|dw:1434220223115:dw|

- MeowLover17

AGAINST CODE OF CONDUCT!!!!!

- anonymous

This is a Q on a test.

- MeowLover17

Yep ^

- anonymous

We help you study FOR testsâ€¦ not ON the test.

- nincompoop

do you have a proof that this is from an exam that he/she is taking now?

- MeowLover17

I have proof

- anonymous

So do I.

- nincompoop

then report the person to the school.

- MeowLover17

ITS AN online course

- MeowLover17

Known as florida virtual school

- anonymous

We don't know the identity of this personâ€¦ so we can't report it.

- MeowLover17

I understand that you dont understand the question but you can't be asking that on here. Since its a test question

- MeowLover17

Or Quiz question

- nincompoop

well I have not given any answer. everything has just been a general description, and I just used the height as an example.

- MeowLover17

@nincompoop Keep helping him/her

- MeowLover17

Just dont give a direct answer

- nincompoop

I will be back later. you can argue with the person while I eat

- anonymous

http://prntscr.com/7gk8kd
http://prntscr.com/7gk8nw

- anonymous

http://prntscr.com/7gk9u7

- anonymous

If you see the date (5/1/15) I'm not making this up.

- anonymous

You just mentioned test towards the end.

- anonymous

"(4 points)"
ok.

Looking for something else?

Not the answer you are looking for? Search for more explanations.