SOLUTION: Which of the ordered pairs (0, 2), (4, 0), (0, –2), (–8, 6) are solutions for the equation x + 2y = 4?

Algebra ->  Linear-equations -> SOLUTION: Which of the ordered pairs (0, 2), (4, 0), (0, –2), (–8, 6) are solutions for the equation x + 2y = 4?       Log On


   

Question 120115: Which of the ordered pairs
(0, 2), (4, 0), (0, –2), (–8, 6)
are solutions for the equation x + 2y = 4?
Found 2 solutions by josmiceli, stanbon:
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
x+%2B+2y+=+4
(0,2) yes
0+%2B+2%2A2+=+4
4+=+4
------------
(4,0) yes
4+%2B+2%2A0+=+4
4+=+4
------------
(0,-2) no
0+%2B+2%2A%28-2%29+=+4
-4+=+4 not true
------------
(-8,6) yes
-8+%2B+2%2A6+=+4
-8+%2B+12+=+4
4+=+4

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Which of the ordered pairs
(0, 2), (4, 0), (0, –2), (–8, 6)
are solutions for the equation x + 2y = 4?
-----------------------------
(0, 2): 0+2*2=4 ; true
(4, 0): 4+2*0=4 ; true
(0,–2): 0+2*-2=4; false
(–8,6): -8+2*6=4; true
===========================
Cheers,
Stan H.