0 like 0 dislike
18 views

Given the sequence $4 ; x ; 32$

Determine the value(s)of x if the sequence is:

  1. Arithmetic
  2. Geometric
in Grade 12 Maths by Diamond (37.9k points) | 18 views

1 Answer

1 like 0 dislike
Best answer
Arithmetic Progression -  applying common difference,

$x-4=32-x$

$2x=32+4$

   $2x=36$

   $x= 18$

Geometric Progression - apply common ratio,

$\dfrac{x}{4} = \dfrac{32}{x}$

$x^2 =128$

 $x = \pm \sqrt{128}$
by Silver Status (28.5k points)
selected ago by

Related questions

0 like 0 dislike
1 answer
Welcome to MathsGee Open Question and Answer Bank, a platform, where you can ask Maths and Science questions and receive answers from other members of the community. Help is always 100% FREE!
MathsGee QnA is the knowledge-sharing community where millions of students and experts put their heads together to crack their toughest homework questions.

Enter your email address: