Question 867148
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Hi
a. y =  2x² - 2x -2   y-intercept is -2
y-intercept is -1
  {{{y =  2(x-1/2)^2 -2(1/4) -2}}}
  {{{y =  (x-1/2)^2 -5/2 }}}  V(.5, -2.5)  x = .5 Line of Symmetry
{{{drawing(300,300,   -6, 6, -6, 6, grid(1), blue(line(.5,6,.5,-6)) ,
circle(0, -2,0.2),
circle(.5, -2.5,0.2),
graph( 300, 300, -6, 6, -6, 6, 0, 2x^2-2x-2) )}}}