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OpenStudy (anonymous):
HELP??? What is the axis of symmetry for y = 0.5x^2 + 2x - 4 ?
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OpenStudy (mertsj):
The axis of symmetry is a vertical line through the vertex so find the x coordinate of the vertex by using x = -b/2a
OpenStudy (anonymous):
whats b and a ?
OpenStudy (mertsj):
|dw:1374458635214:dw|
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