Question

What conjecture can you make about the sum of the first 10 positive even numbers?

2 = 2 = 1 . 2
2 + 4 = 6 = 2 . 3
2 + 4 + 6 = 12 = 3 . 4
2 + 4 + 6 + 8 = 20 = 4 . 5
2 + 4 + 6 + 8 + 10 = 30 = 5 . 6

a. the sum is 9 . 10
b. the sum is 10 . 10
c. the sum is 11 . 12
d. the sum is 10 . 11

Answer 1

I don't understand this very well. This is geometry right? I never learned it.

Answer 2

Yes this is Geometry.

Answer 3

Thats really weird, i never learned it. Im upto coordinate geo she never taught this to me.

Answer 4

Ok, thanks for trying.

Answer 5

i see the pattern but idk the answer

Answer 6

d.

Answer 7

Thanks

Answer 8

yw :)

Answer 9

Good you got it.