X + 10y - 4y + 4x

:combine like terms:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.