Question

Help?

Answer 1

Given the relation y = –4x2 – 8, if the input is 2, what is the output?

8
–8
–16
–24

Answer 2

We're not going to do your test for you.

Answer 3

Dude. I will fail the 9th grade if i dont get help. its the end of the term, and my teacher is submitting my grade, i have a C and that below the standards

Answer 4

Let's do the first question. When you have an input/output question all you have to do is plug in your input into the equation. The answer you get is your output. That said, which one do you think the answer is?

Answer 5

Well post your questions individually and try to learn from our help, don't expect straight answers from us.

Answer 6

what i thought originally, -8 or -24.

Answer 7

I agree with @Unanimoose ...

Answer 8

I did, i deleted the other ones, plus i can give u medals for each one.

Answer 9

Okay, so if you have two different answers then the best thing to do is to go over each step of the question.

Answer 10

And thank you for letting us go over the questions individually. :)

Answer 11

I have until 6 to complete it.

Answer 12

\[Step~1:~Plug~inn~the~values.\]

Answer 13

*in

Answer 14

No \(\normalsize\sf\color{lime}\LaTeX\) please?

Answer 15

It'll take too long. :P

Answer 16

Why not?

Answer 17

It take a LONG time to load for me

Answer 18

So. Yah.

Answer 19

Well, if it causes a problem for your computer then I won't do it. :(

Answer 20

Step 1: Plug in the value for 'x' into the equation.

-4x2 - 8 = y
-4 * 2 * 2 - 8 = y

Answer 21

Step 2: Multiply and then Subtract.

-4x2 - 8 = y

Answer 22

-24

Answer 23

OK. So, what is negative four times two times two? ( -4 * 2 *2)

Answer 24

-16

Answer 25

Good.

Answer 26

So. Finish Step 2.

-4x2 - 8 = y
-4 * 2 * 2 - 8 = y
-8 * 2 - 8 = y
-16 - 8 = y

Answer 27

What is -16 - 8?

Answer 28

-24.

Answer 29

After this can i just get answers? (i know its not right, but i REALLLLYYY need the answers, im never doing this again, so yea.)

Answer 30

Step 3: Determine y.

-4x2 - 8 = y
-4 * 2 * 2 - 8 = y
-8 * 2 - 8 = y
-16 - 8 = y
-24 = y

The output is: ___

Answer 31

What is our output?

Answer 32

-2

Answer 33

-24*

Answer 34

Correct! Do you understand what we have to do to get the answer?

Answer 35

yup.

Answer 36

-_- OK. Next question.

Answer 37

Close this one and post the next one.

Answer 38

Ill tag you in the next one? (these are all different, i have one screenshot.)

Answer 39

Okay. :P