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OpenStudy (anonymous):
please see the attachment .. i need help on thiss !
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OpenStudy (anonymous):
4. Which graph represents the function y = 3x² + 12x –6? (1 point)
OpenStudy (mertsj):
The second one.
OpenStudy (anonymous):
we know the graph opens up because a>0 in ax^2+bx+c the axis of symmetry is -b/2a = -12/6=-2 So graph b works
OpenStudy (anonymous):
axis of symmetry is x=-b/2a**
Directrix (directrix):
Graph B. The given parabola has vertex at (-2,-18)
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