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Description:
What is the ratio of the fourth term to the first?
Transcript
- 00:00
Thank you We sneak and here's your smoke usually brought
- 00:05
to you by decreasing terms No that would be decreasing
- 00:11
All right After the first term acts each term is
- 00:14
determined as half of the previous term plus four What
- 00:19
is the ratio of the fourth term The first heart
Full Transcript
- 00:23
in a hair The potential answers You'll see this a
- 00:26
lot okay through this question were asked to find the
- 00:30
ratio of the fourth term to the first well ratio
- 00:35
is just a relationship between two numbers So to find
- 00:40
the ratio between the fourth term and the first way
- 00:43
no we should take the value of the fourth term
- 00:46
and divide it by the value The first term which
- 00:48
is given to us his act Right now all we
- 00:51
have to do is find the value of the fourth
- 00:53
term Well we're told after the first term acts each
- 00:56
term is determined as half of the previous term plus
- 01:00
four so the second term will be half of the
- 01:03
first term plus four or one half x plus four
- 01:08
got it Third term will be half of the second
- 01:11
term plus for or simplified one fourth acts Plus it
- 01:16
and the fourth term will be half the third term
- 01:18
plus four for one eight seven So our ratio is
- 01:24
one eighth x plus seven all over acts well change
- 01:28
the fraction one eighth into decimal form which is zero
- 01:33
point one two five and a correct answer is c
- 01:36
point one to five acts plus seven all over axe 00:01:41.219 --> [endTime] Yeah