+0  
 
+2
91
5
avatar+451 

In the pair of equations bx - 6y = 18 and 2x - 3y = 9, b is a whole number. The system of two equations has infinitely many solutions. What is the value of b?

 

A) 3

B) 4

C) 5

D) 6

Neptune  Apr 14, 2018

Best Answer 

 #1
avatar+730 
+2

I am not sure if this is right but:

I noticed that 6y is2 times 3y and 18 is 2 times 9 so I think that bx will be two times 2x so 4x so 4. (They have to be the same equation to have an infinite amount of solutions so yeah)

MIRB16  Apr 14, 2018
 #1
avatar+730 
+2
Best Answer

I am not sure if this is right but:

I noticed that 6y is2 times 3y and 18 is 2 times 9 so I think that bx will be two times 2x so 4x so 4. (They have to be the same equation to have an infinite amount of solutions so yeah)

MIRB16  Apr 14, 2018
 #2
avatar+730 
+1

So the answer is B: 4

MIRB16  Apr 14, 2018
 #3
avatar+451 
+1

ty for at least trying

Neptune  Apr 15, 2018
 #4
avatar+730 
+1

is it right?

MIRB16  Apr 15, 2018
 #5
avatar+451 
0

idk, thats why i asked this question

Neptune  Apr 15, 2018

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