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OpenStudy (anonymous):
The line of symmetry for the quadratic equation y=ax²-8x-3 is x=2. What is the value of ¨a¨? A. -2 B. -1 C. 2 I had a teacher try and do this and they couldnt do it. s help me please!!!!
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OpenStudy (anonymous):
go to mathway.com
OpenStudy (er.mohd.amir):
Q is wrong may be this is right y=ax^2-8x+8 at x=2 y=0 then 4a-16+8=0 4x=8 x=2
OpenStudy (er.mohd.amir):
or x=-b/2a here b=-8 a=a x=2 2=-(-8)/2a 4a=8 a=2
OpenStudy (bee_see):
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