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anonymous
 4 years ago
identify the direction of the opening of the parabola defined by
anonymous
 4 years ago
identify the direction of the opening of the parabola defined by

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1327788278020:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0up down left or right?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0What is the sign on the coefficient of the x^2 term?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Is x^2 negative or positive?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Now look at this graph and determine which direction it opens: http://www.wolframalpha.com/input/?i=plot+x%5E2+and+x%5E2

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0identify the vertex of the parabola defined by dw:1327789009375:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0If we have\[y = ax^2 + bx + c\]The xcoordinate of the vertex can be found from \[x =  {b \over 2a}\]Then we can plug that value back into the function to get the ycoordinate.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0which equation represents one of the steps of solving 6x^26x12=0 by factoring? a. 6x+4=0 or x3=o b.6x+2=0 or x6=0 c.2x2=0 or 3x+6=0 d.x2=0 or x+1=0
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