Which of the ordered pairs
(–2, 2), (2, 0), (0, –1), (–6, 4)
are solutions for the equation x + 2y = 2?
2006-10-04 07:23:48 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
just plug in the different coordinates into the equation, and whichever one fits that's the answer. the first number is the x-coordinate and the second is the y. i hope you can do the rest!
2006-10-04 07:25:36 · answer #1 · answered by stitchfan85 6 · 1⤊ 0⤋
You get whatever answer you want on Yahoo! Answers. You get all different answers and have to check which, if any, are correct.
You have to do it yourself. Put each pair into the equation and see if you get an equality. Let's try (-2, 2):
-2 + 2 * 2 = 2?
Yes!!!
Now, (2, 0)
2 + 2 * 0 = 2?
Yes!!!
Now, (0, -1):
0 + 2 * (-1) = 2?
No.
Now, (-6, 4):
-6 + 2 * 4 = 2?
Yes!!!
2006-10-04 07:30:53 · answer #2 · answered by ? 6 · 1⤊ 0⤋
As far as I can tell the first two pairs and the last one would work.
x + 2y = 2
(-2) + 2(2)=2
(-2) + 4=2
2=2
x + 2y =2
(2) + 2(0) =2
2 + 0 =2
2=2
2006-10-04 07:28:26 · answer #3 · answered by MorningStar 2 · 0⤊ 0⤋
use process of elimination until you get the right answer.
Substitute the first number for x and the second for y and do the equation until you get the answer '2'.
Doing this will take much less effort than posting this question and checking the answers. It will also help you solve other questions like this in the future instead of using other's experience as a crutch for your own advancement.
2006-10-04 07:26:56 · answer #4 · answered by Anonymous · 0⤊ 0⤋
All except for (0, -1)
2006-10-04 07:26:24 · answer #5 · answered by Anonymous · 1⤊ 0⤋
(2,0) because ...
x=2 and y=0
x + 2y = 2
if you substitute x and y in the equation it works for (2,0)
2 + (2x0) =2
2+0=2 - IT WORKS!
2006-10-04 07:27:48 · answer #6 · answered by beckyzbonkers 2 · 0⤊ 0⤋
The first two and the last one...simply plug and play to determine.
2006-10-04 07:26:49 · answer #7 · answered by non_apologetic_american 4 · 0⤊ 0⤋