Can someone confirmed if the correct pair is (3,1) and (-4,0)?

Question

Which of the ordered pairs
(3, 1), (0, –4), (–4, 0), (–3, –7)
are solutions for the equation x – y = 4?

Answer 1

(0,-4) (-3,-7)

Because (X, Y)

so

(0) - (-4) =4

and

(-3) - (-7) =4

(When you subtract a negative you add the absolute value of that negetive. (basically add it)

Answer 2

Those are the two that are NOT correct.

3-1=2
0-(-4)=0+4=4
-4-0=-4
-3-(-7)=-3+7=4

Answer 3

Well, let's try it out for all pairs:
x - y = 4
(3,1) . . . 3 - 1 = 2 no
(0,-4) . . . 0 - (-4) = 0 + 4 = 4 yes
(-4,0) . . . -4 - 0 = -4 no
(-3,-7) . . . -3 - (-7) = -3 + 7 = 4 yes

Answer 4

Correct pairs: (0,-4) (-3,-7)

The pairs are in the form (x,y) so just put the relevant numbers into the equation to test.

Answer 5

(0, -4) means x=0 and y = -4

Zero minus a negative four is four. Two Negatives make a positive.

Check the others but the (-3, -7) works for the same reason

Answer 6

Nope!
The pairs are (0, –4) and (–3, –7)

Answer 7

the right ones are (0,-4) and (-3,-7)

x-y=4
-3-(-7)=4
-3+7=4 the two negatives are made into positives
4=4
x-y=4
0-(-4)=4
0+4=4 the two negatives are made into positives
4=4

Answer 8

no that isnt the right answer. to solve plug in the x and y values [(x,y)] into the equation the ones that make it true are the answers. (0,-4) and (-3,-7) are correct.

Answer 9

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