Question 1066692
y = 7x^2
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Note that a = 7 and the vertex of this parabola is (0, 0) then, the focus is (0, 0+(1/4a) = (0, 1/28)
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y = 2x^2 -2x -2 = 2(x - (1/2))^2 - (5/2) 
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Note a = 2, and the vertex is ( (1/2), (-5/2) ) then the focus is ( (1/2), (-5/2 + (1/8) ) = ( (1/2), (-19/8) )
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