In other words:
Pattern 1= 3 line segments (1 triangle)
Pattern 2= 9 line segments (4 triangles)
Pattern 3= 30 line segments (16 triangles)
etc.......

####
Latest answer by

### Jose S.

Newark, DE

+-
What are the first five terms in the geometric sequence an=(2)n-1, starting with n=1
Please help..thank you

####
Latest answer by

### Steve S.

Westford, MA

+-
Jo constructs triangular patterns using dots.
Pattern 1 (has 3 dots forming a triangle)
Pattern 2 (has 6 dots forming a larger triangle)
Pattern 3 (has 10 dots forming an...

####
Top voted answer by

### Crystal G.

South Orange, NJ

+-
in a geometric sequence, the generator is the number that one term is multiplied by to generate the next term.