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The parabola y = ax^2 + bx + c is graphed below. Find a + b + c. (The grid lines are one unit apart.)
The parabola passes through (-2,8), (0,0), and (2,8).

 Aug 15, 2024
 #1
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Vertex (0,0) form of this parabola 

y = d ( x-0)^2  + 0 

y = dx^2          When 2   Y = 8     So 'd' = 2 

then the equation is    Y = 2x^2        Then   A + b + c = 2 

 Aug 15, 2024

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