Which ordered pairs are solutions to the equation?

y = 2x + 5

A.
(5, 15) and (9, 2)

B.
(5, 10) and (2, 9)

C.
(15, 5) and (2, 9)

D.
(5, 15) and (2, 9)

Question

Which ordered pairs are solutions to the equation? 
 
y = 2x + 5
 
 A.
(5, 15) and (9, 2)
 
 B.
(5, 10) and (2, 9)
 
 C.
(15, 5) and (2, 9)
 
 D.
(5, 15) and (2, 9)

pooja195 · Answer

Plug in each coordinate (from the answers) and see what is true.

whpalmer4 · Answer

A little reasoning will save you some arithmetic.  If $$y=2x+5$$$y$ is always going to be much larger than $x$ if $x$ is a positive number.  You can ignore any answer choices where that is not true.

whpalmer4 · Answer

@shazmavek the OpenStudy policy is to guide the student, not give them the answer.

anonymous · Answer

^^^