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Mathematics 69 Online
katherine:

math help

katherine:

1 attachment
AngeI:

Please refrain from tagging our lord and savoir Vocaloid while she has that pfp.

katherine:

then why is she online? lol

AngeI:

No clue, but please be respectful.

katherine:

oki doki

AngeI:

So to find the answer to your question take the numbers and fill in the equation to find out which one is correct.

AngeI:

For example y=3x fill in y and x and get 9=3(-3)

AngeI:

Is that equal?

katherine:

yes it is

AngeI:

You might wanna look again 9=-9

katherine:

tsk. stupid me No it's not equal

AngeI:

Its ok I overlooked the negative sign for a moment as well.

AngeI:

y=-3 9= -3(-3) is that equal?

katherine:

yes?

AngeI:

mhm so your answer is?

katherine:

yes.

AngeI:

Does this make sense to you?

katherine:

So, the answer is is B?

AngeI:

Yes it is, but I was asking if you understand how to do it now. :P

katherine:

yes yes. lol I do. Can you help me on 3 more?

AngeI:

Sure

katherine:

Which of the sets of ordered pairs represents a function? A = {(1, −5), (8, −5), (8, 7), (2, 9)} B = {(7, −4), (7, −2), (6, −3), (−9, 5)} Only A Only B Both A and B Neither A nor B

katherine:

tysm!!

AngeI:

This one is rather tricky and I am unsure how to explain it I do however believe the answer is D.

katherine:

yeah, that's it. I found out about the 3rd question. If need help I'll contact you :) ty

AngeI:

Youre welcome c:

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