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Mathematics 9 Online
OpenStudy (anonymous):

Help with one question?

OpenStudy (anonymous):

I need help with #21 ONLY! #willMEDALandFAN

OpenStudy (anonymous):

@priyar

OpenStudy (priyar):

u have trouble plotting the graph?

OpenStudy (anonymous):

No, I plotted the equation & I got something but I'm not sure if I was correct.

OpenStudy (anonymous):

@xapproachesinfinity

OpenStudy (priyar):

i think ur graph is correct..what are the roots u got?

OpenStudy (anonymous):

lol just take me through the steps @priyar

OpenStudy (anonymous):

No rush but lets do it kinda fast because I have many more problems to complete

OpenStudy (anonymous):

Not to rush you *

OpenStudy (priyar):

just see where the graph meets the x-axis..and tell me those three points..they are the roots..

OpenStudy (anonymous):

Basically the zeros? I had got -1.62 , 0.62 , 0.8 but I wasn't sure if I was correct

OpenStudy (priyar):

ya roots and zeroes are the same..!

OpenStudy (anonymous):

Thats why I said Basically the zeros.. ^^

OpenStudy (priyar):

all the tree zeroes are correct!

OpenStudy (priyar):

*three

OpenStudy (anonymous):

Ok so for the Max I got 9.302 and for the Min I got 4.

OpenStudy (priyar):

are u sure..?check again

OpenStudy (anonymous):

Max: 0.84? Min: 0 ?

OpenStudy (priyar):

i think u r missing a "-" sign in max

OpenStudy (priyar):

and min is wrong..

OpenStudy (priyar):

just to make this clear i am talking aout x values..

OpenStudy (priyar):

max at x= -0.84 min at x =0.710 @LetsLearn2000 ?

OpenStudy (priyar):

for the values of max and min substitute these x values in the equation to get the corresponding y values..thats it!

OpenStudy (priyar):

ok?

OpenStudy (anonymous):

Yes I'm about to answer it and tell me if I'm correct or not

OpenStudy (priyar):

ok

OpenStudy (anonymous):

One Y Value is 9.30208

OpenStudy (anonymous):

The other is -0.096345

OpenStudy (priyar):

yes! WELL DONE!

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