Question

Which sequence can be represented by the expression 7n?
Answer

84, 77, 70, 63, ...

2, 9, 16, 22,...

7, 14, 21, 28, ...

1, 7, 14, 21, ...

Answer 1

n is any integer, so when n = 1, 7n is 7*1 = 7

when n is 2, 7n is 7*2 = 14

etc etc

Answer 2

You can also start be eliminating any answers where the values aren't evenly divisible by 7.

Answer 3

So it's the third one?

Answer 4

2 and 9 aren't divisible by 7

Answer 5

so choice B is out

Answer 6

yes twila, it's the 3rd one

Answer 7

reading is fundamental...I'm going to go get some coffee now.

Answer 8

OK. Thanks for the medal by the way. :)

Answer 9

you're welcome