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OpenStudy (anonymous):
the coordinates of the vertex of the quadratic function f(x)=x^2-7x+12 are A. (7/2,-1/4) B. (-7/2,195/4) C. (7/2,-37/4) D. (7/2,-97/4) E. (6/7,330/49)
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OpenStudy (saifoo.khan):
Do you know how to find the vertex? Hint: -b/2a ?
OpenStudy (anonymous):
-(-7)/2(1)=7/2 am i correct?
OpenStudy (saifoo.khan):
Yes. This gives us that.. .?
OpenStudy (anonymous):
its for x axis..how bout y axis?
hartnn (hartnn):
now plug in x=7/2 in f(x)=x^2-7x+12 to get your 'y' value :)
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OpenStudy (anonymous):
yaa thank you i gt -1/4 @hartnn n @saifoo.khan
hartnn (hartnn):
thats correct :)
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