When one shape can become another using only Turns, Flips and/or Slides, then the two shapes are Congruent. Two shapes are Similar when we need to Resize for one shape to become another (we may also Turn, Flip and/or Slide). So, when one shape can become another using transformation, the two shapes might be Congruent or just Similar?
To complete the square we get the coefficient of x, divide it by 2 then square it. -3/4 divided by 2 = -3/8 and then squared it equals 9 / 64 answer is a