ILL GIVE FAN AND MEDAL
Which of the following choices is the common difference between the terms of this arithmetic sequence?

4x + 7y, 8x + 2y, 12x + -3y, 16x - 8y, 20x - 13y, ...

A.4x + 5y
B.5x - 4y
C.5x + 4y
D.-5x - 4y
E.4x - 5y

Question

ILL GIVE FAN AND MEDAL 
Which of the following choices is the common difference between the terms of this arithmetic sequence?

4x + 7y, 8x + 2y, 12x + -3y, 16x - 8y, 20x - 13y, ...

 A.4x + 5y
 B.5x - 4y
 C.5x + 4y
 D.-5x - 4y
E.4x - 5y

anonymous · Answer

Since x increases by 4 and y decreases by 5 everytime, you would pick the one that corresponds to both increase and decrease of x and y. In this case it would be E

anonymous · Answer

Do you have any questions?

anonymous · Answer

no sir thank you

anonymous · Answer

In arithmetic sequence decrease or increase of each term are all the same:)

anonymous · Answer

ok

anonymous · Answer

You just need to look at the increase and decrease of each term between first and second item.

anonymous · Answer

All other items are there just to confuse you:)

anonymous · Answer

ill tell you if i need more help :D