DIRECTIONS: Each number if 4 less than 3 times the previous number. Starting with the number 10, build a sequence of 5 numbers.

Question

asked Mar 11, 2021 49.9k views

2 Answers

Iamandrus · Answer 1 · 2021-03-16T21:38:34+0000

Answer:

The sequence of 5 terms is: 10, 26, 74, 218, 650

Explanation:

By following the instructions, we can build the sequence by doing:

$a_n= 3\,a_(n-1)-4$

So, using this formula and starting with 10 we get

$a_1=10\\a_2=3\,(10)-4=26\\a_3=3\,(26)-4= 74\\a_4=3\,(74)-4=218\\a_5=3\,(218)-4=650$