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Mathematics 13 Online
OpenStudy (anonymous):

Check my answers please

OpenStudy (anonymous):

@iambatman @divu.mkr

OpenStudy (anonymous):

anyone?

OpenStudy (anonymous):

Your first one is correct, nice!

OpenStudy (anonymous):

Second one is correct, well done!

OpenStudy (anonymous):

Check Number 8 again. A negative times a negative equals a positive which would give you an answer greater then 0 for your answer

OpenStudy (anonymous):

Sorry I mean #1 and #7 are correct as I've checked so far.

OpenStudy (anonymous):

#2 is correct

OpenStudy (anonymous):

#3 is correct

OpenStudy (anonymous):

#4 is correct #8 is wrong, it shouldn't be -3 ;)

OpenStudy (anonymous):

#9 is correct

OpenStudy (anonymous):

#10 is correct

OpenStudy (anonymous):

So only #8 is wrong, well done, just fix that up ;P

OpenStudy (anonymous):

I put d for #1 7 and -3?

OpenStudy (anonymous):

Yeah that's wrong, it shouldn't be -3

OpenStudy (anonymous):

So that should give you a hint :)

OpenStudy (shamil98):

no, number 8 it shouldn't be positive 7.

OpenStudy (anonymous):

Yeah it's 7 and 3.

OpenStudy (shamil98):

x^2 - 10x = -21 x^2 - 10x + 21 lol

OpenStudy (shamil98):

batman its -7 and - 3 o.o

OpenStudy (anonymous):

ohh k lol so its a?

OpenStudy (anonymous):

Ok I have to go now, good job on the other questions @IxairaS

OpenStudy (anonymous):

Yes

OpenStudy (shamil98):

batman its, not A its C, -7 and -3

OpenStudy (shamil98):

o.o

OpenStudy (anonymous):

yes theese two

OpenStudy (shamil98):

(x-7)(x-3) = x^2 - 10x + 21

OpenStudy (anonymous):

The solutions are x = 7 and 3 sham -.-

OpenStudy (shamil98):

x^2 - 10x + 21

OpenStudy (anonymous):

Ok I gtg lol

OpenStudy (anonymous):

okay i posted 2 up there if you can take a look real quick

OpenStudy (shamil98):

-7 x -3 = 21 -7 + (-3)= -10 -.-

OpenStudy (anonymous):

If you get (x-7)(x-3) what are your solutions?

OpenStudy (shamil98):

oh derp

OpenStudy (anonymous):

:)

OpenStudy (shamil98):

brainfart

OpenStudy (anonymous):

i cahnged my answers to both being d

OpenStudy (shamil98):

5 is D.

OpenStudy (shamil98):

Not that great with graphing.. so i'm not sure about 6.

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