Question

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

Thanks @pooja195

Answer 2

Take your options and plug them into the given equation
3x-4y=21
A.
\[\huge~\rm~3(-3)-4(3)=21 \]
Is this true or false?

Answer 3

hold on one sec let me work out the problem

Answer 4

yes it's true right

Answer 5

-3 *3=?

Answer 6

ohhhh false it's negative right

Answer 7

Correct :) ok so B.
\[\huge~\rm~3(-1)-4(-6)=21\]
true or false

Answer 8

Yeah this one is true

Answer 9

and thanks for the medal!!!

Answer 10

Well done :-)
C
\[\huge~\rm~3(7)-4(0)=21\]
true or false

Answer 11

True

Answer 12

Good now the last one :-)
Well done :-)
D
\[\huge~\rm~3(11)-4(3)=21\]
true or false

Answer 13

FALSE sike im just kidding TRUE

Answer 14

xD
Alright that should answer your question ^_^

Answer 15

THANKS SO MUCH YOUR SO SMART AND ALOT OF HELP IM GLAD U DIDN'T GIVE ME THE DIRECT ANSWER YOUR SOOO SMART I WISH I COULD GIVE YOU 80 MEDALS!!!!!!

Answer 16

GAH

Answer 17

I was to slow again xD

Answer 18

DONT WORRY I MIGHT HAVE MORE

Answer 19

haha yw
I love to see people learn ^_^

Answer 20

Pooja im helping again xD

Answer 21

got bored stairing at os feedback so ._>

Answer 22

lol

Answer 23

Good :-)