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I don't know which one is right, and I need your help. Is it A or B.

x^2 means x squared if you didn't know.

A) y= -x^2+2x+3 x=-2/2(-1)= 1

y= -1^2+2(1)+3
1+2+3
y=6

B) y= -x^2+2x+3 x=-2/2(-1)= 1

y= -1(1)^2+2(1)=3
-1+2+3
y=4
 Mar 3, 2014
 #1
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Pleasee guys ! Help me out ! It would mean so much for me !!
 Mar 3, 2014
 #2
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1234smile:

I don't know which one is right, and I need your help. Is it A or B.

x^2 means x squared if you didn't know.

A) y= -x^2+2x+3 x=-2/2(-1)= 1

y= -1^2+2(1)+3
1+2+3
y=6

B) y= -x^2+2x+3 x=-2/2(-1)= 1

y= -1(1)^2+2(1)+3
-1+2+3
y=4



the second one B is correct.
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 Mar 3, 2014

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