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