Which of the following graphs do not pass through origin? 

$$\begin{gathered} a) y=2 x+6 \\ b) y^2-2x=0 \\ c) y^2+3x^2+5=0 \\ d) y+6 x=0 \end{gathered}$$

• A

  a and c.

• B

  a and d.

• C

  b and d.

• D

  c and d