Question

Will medal and fan! And please explain to me how you got the answer, no straight up answers please.
Which ordered pairs in the form (x, y) are solutions to the equation 3x – 4y = 21?
Choose all answers that are correct.
A.(−3, 3)
B.(−1, −6)
C.(7, 0)
D.(11, 3)

Answer 1

One way to do it, is plug in the answer choices and see which one matches

Answer 2

A would be 3(-3)-4(3)=21
Can you solve that?

Answer 3

Yeah give me a second

Answer 4

I'll give you a hint.. it wouldn't be a because a negative minus a negative is still negative

Answer 5

Try to solve B.. & remember there is more than one answer

Answer 6

Alright give me one second

Answer 7

Okay so b is one.

Answer 8

Correct. Now try C..

Answer 9

okay

Answer 10

C is one too! Thanks!

Answer 11

Ahh wait. Your not done yet

Answer 12

Try D cx

Answer 13

Really? :o okay let me try d

Answer 14

D is one too!

Answer 15

Yes ma'am (:

Answer 16

Thank you! :D

Answer 17

No problem!!(: