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Algebra 19 Online
OpenStudy (anonymous):

Identify the vertex for the graph of y = -3x2 + 6x - 4.

OpenStudy (joannablackwelder):

When your equation is in this form, the easiest way to find the vertex is to define the coefficients a, b and c for y= ax^2 + bx + c

OpenStudy (joannablackwelder):

And the x coordinate is -b/2a

OpenStudy (anonymous):

can i know wat does vertex means ?

OpenStudy (anonymous):

i think i got it, thx!

OpenStudy (joannablackwelder):

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