consider the pattern: 2=1x2; 6=2x3; 12=3x4; 20=4x5;......; 110=kx(k+1), ...., write down the 8th line in the pattern

3 answers

how about
8x9 = ??
The first term is the product of 1 and 2, the second term is product of 2 an 3, the third trm is product of 3 and 4, the fourth term is product of 4 and 5, the fift term is product of 5 and 6 etc.

2 = 1 x 2

6 = 2 x 3

12 = 3 x 4

20 = 4 x 5

30 = 5 x 6

42 = 6 x 7

56 = 7 x 8

72 = 8 x 9
Hi laila Bliss try
The first term is the product of 1 and 2, the second term is product of 2 an 3, the third trm is product of 3 and 4, the fourth term is product of 4 and 5, the fift term is product of 5 and 6 etc.

2 = 1 x 2

6 = 2 x 3

12 = 3 x 4

20 = 4 x 5

30 = 5 x 6

42 = 6 x 7

56 = 7 x 8

72 = 8 x 9