Week 1 – My Arithmetic Sequence

madissonr2016 on September 10, 2018

4, 8, 12, 16, 20…

General Equation – $t_n$ = $t_1$ + ( $t_{n-1}$ )d

d = 4

$t_1$ = 4

$t_2$ = 4 + 4

$t_3$ = 4 + (2)4

$t_{50}$ = 4 + (49)4

$t_{50}$ = 200

$s_{50}=\frac{50}{2}(t_1+t_{50})$ $s_{50}=25(4+200)$

$s_{50}$ = 25 (204)

$s_{50}$ = 5,100

Leave a Reply Cancel reply