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Mathematics 8 Online
OpenStudy (anonymous):

Which equation represents the axis of symmetry of the function y = –2x² + 4x –6? y = 1 x = 1 x = 3 x = –3

OpenStudy (zehanz):

in y = ax² + bx + c, the axis of symmetry is: y = -b / (2a)...

OpenStudy (anonymous):

is that the formula?

OpenStudy (zehanz):

Yes, all you have to do is put the values for a, b and c in.

OpenStudy (zehanz):

...and avoid calculation errors... :D

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