omg i can't even. 1,3,5,7,9,21

Points A(-2, 4), B(1, 3), C(4, -1) and D form a parallelogram. What are the coordinates of D?

Question

omg i can't even. 1,3,5,7,9,21

Points A(-2, 4), B(1, 3), C(4, -1) and D form a parallelogram. What are the coordinates of D?

anonymous · Answer

A.(5, 5)
B.(0, 0)
C.(1, -2)
D.(1, 0)
E.(3, 4)

anonymous · Answer

find the slope with any two points see whether which line is y=0. after that, plot the graph out and use the slope formula

anonymous · Answer

i did i tried that and the distance between A and B is 2.8 but when i try the other numbers to also make 2.8 with C it doesn't work

anonymous · Answer

nevermind i found it. seems like i did it wrong the first time. its c.