Please help!! Which of the following is a conjugate for 7+i square root 2?

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

How many lines can be drawn through points j and k? 0 1 2 3

Which expression will have the same sum as 3_8 + 1/4?