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Mathematics 17 Online
OpenStudy (anonymous):

Evaluate. http://static.k12.com/bank_packages/files/media/mathml_1d8bd572647f29e88f6c517884f0e5a94195b054_1.gif

OpenStudy (jhannybean):

\[\frac{-8[(12-6)+3]+4}{9-2(2+3)}\]

OpenStudy (jhannybean):

So for the numerator, solve the stuff inside the inner most parenthesis.

OpenStudy (jhannybean):

Then move onto simplifying whats inside the brackets, then multiply it by -8, add to 4.

OpenStudy (anonymous):

k

OpenStudy (jhannybean):

1.\(\dfrac{-8[\color{red}{(12-6)}+3]+4}{9-2\color{red}{(2+3)}}\) 2.\(\dfrac{-8\color{blue}{[(12-6)+3]}+4}{9-\color{blue}{2(2+3)}}\) 3. \(\dfrac{\color{green}{-8[(12-6)+3]}+4}{\color{green}{9-2(2+3)}}\)

OpenStudy (jhannybean):

Etc.

OpenStudy (anonymous):

one sec im doing the math XD

OpenStudy (jhannybean):

alright :P

OpenStudy (anonymous):

-68/2

OpenStudy (anonymous):

@Jhannybean

OpenStudy (jhannybean):

Almost.

OpenStudy (jhannybean):

What is 12-6?

OpenStudy (anonymous):

6

OpenStudy (jhannybean):

plus 3?

OpenStudy (anonymous):

9

OpenStudy (jhannybean):

times -8?

OpenStudy (anonymous):

-72

OpenStudy (jhannybean):

plus 4?

OpenStudy (anonymous):

-68

OpenStudy (jhannybean):

Alright that numerator looks good \(\checkmark\) Now for thedenominator.

OpenStudy (anonymous):

k

OpenStudy (jhannybean):

2 plus 3?

OpenStudy (anonymous):

5

OpenStudy (jhannybean):

times 2?

OpenStudy (anonymous):

10

OpenStudy (jhannybean):

and 9 minus 10?

OpenStudy (anonymous):

-1

OpenStudy (jhannybean):

So we've got -68/-1

OpenStudy (jhannybean):

What does that give you?

OpenStudy (anonymous):

68

OpenStudy (jhannybean):

\(\checkmark\)

OpenStudy (anonymous):

:D

OpenStudy (jhannybean):

Good job :)

OpenStudy (anonymous):

how do you write a cheak mark?

OpenStudy (anonymous):

\[\Psi (\Psi)\]

OpenStudy (jhannybean):

`\checkmark`

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