Which pairs are solutions to the equation?

3xy + 9 = 33

A.

(1, 8) and (1, 11)

B.

(1, 11) and (2, 6)

C.

(1, 8) and (8, 1)

D.

(8, 1) and (2, 6)

Question

Which pairs are solutions to the equation?

3xy + 9 = 33
	
	
 
A.
	

(1, 8) and (1, 11)
	
 
B.
	

(1, 11) and (2, 6)
	
 
C.
	

(1, 8) and (8, 1)
	
 
D.
	

(8, 1) and (2, 6)

hesan · Answer

How it is possible to get value of two unknown by single equation???

hesan · Answer

@theoryofmars  Are u getting my point??

texaschic101 · Answer

I think it is C.

(1,8)
3xy + 9 = 33
3(1)(8) + 9 = 33
24 + 9 = 33
33 = 33 (correct)

(8,1)
3xy + 9 = 33
3(8)(1) + 9 = 33
24 + 9 = 33
33 = 33 (correct)