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Mathematics 18 Online
OpenStudy (anonymous):

Please help

OpenStudy (anonymous):

Question 2 and 3

OpenStudy (anonymous):

i did number 3 already i only need 2

OpenStudy (anonymous):

@VictoriaEL12

OpenStudy (anonymous):

No clue.

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

@VictoriaEL12

OpenStudy (anonymous):

@geerky42

OpenStudy (anonymous):

@triciaal

OpenStudy (anonymous):

@dan815

OpenStudy (anonymous):

@israa88

OpenStudy (dan815):

start with graphing the function

OpenStudy (anonymous):

just did

OpenStudy (anonymous):

is know its 0 and 18 so that eliminates A and B

OpenStudy (dan815):

okay so u know that x is the width

OpenStudy (anonymous):

so its D

OpenStudy (dan815):

yeah that looks good

OpenStudy (anonymous):

ok thanks

OpenStudy (dan815):

for part B, so u want to add an extra term there such that the 2 equations are equal

OpenStudy (anonymous):

ok how can i do that

OpenStudy (dan815):

first exapand the bracket

OpenStudy (dan815):

can u see a constant term coming out of the expansion that is not there in the above equation

OpenStudy (anonymous):

not really

OpenStudy (dan815):

okay expand the bracket then

OpenStudy (anonymous):

-2x^2-162

OpenStudy (dan815):

ah no that is not right

OpenStudy (dan815):

okay so lets work with this part first (x-9)^2

OpenStudy (anonymous):

|dw:1430704261366:dw|

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