Which shows three ordered pairs that are all solutions of the equation y = x + 4?

A.
(1, 4), (2, 6), and (3, 7)

B.
(1, 4), (2, 8), and (3, 12)

C.
(3, 7), (5, 9), and (7, 10)

D.
(3, 7), (5, 9), and (7, 11)

Question

Which shows three ordered pairs that are all solutions of the equation y = x + 4?
 
 A.
(1, 4), (2, 6), and (3, 7)
 
 B.
(1, 4), (2, 8), and (3, 12)
 
 C.
(3, 7), (5, 9), and (7, 10)
 
 D.
(3, 7), (5, 9), and (7, 11)

math&ing001 · Answer

Plug each ordered pair to the equations and see if it checks.
Example : pluging (1,4) -> 4 = 1 + 4 so 4 = 5 which is not true, so the ordered pair (1,4) isn't a solution.
For an option to be correct, all the ordered pairs must be solutions !