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Find the vertex of the graph of the equation y = -2x^2 + 8x - 15 + 6x^2 + 14x + 28.

 Jun 22, 2024
 #1
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Simplify as

 

y = 4x^2  + 22x + 13

 

x coordinate of the vertex =  -22 / (2*4)  = -22/8  = -11/4

 

y coordinate =  4(-11/4)^2 + 22 (-11/4) + 13    =  -69/4 

 

 

cool cool cool

 Jun 22, 2024

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