Tuesday

July 29, 2014

July 29, 2014

Posted by **kazz** on Friday, January 4, 2013 at 2:19pm.

- SeQuEnCeS and SeRiEs: HELP PLZ! -
**Steve**, Friday, January 4, 2013 at 2:28pmy-x = x+8

y/x = 72/y

y = 2x+8

(2x+8)/x = 72/(2x+8)

4x^2+32x+64 = 72x

4x^2-40x+64 = 0

x^2 - 10x + 16 = 0

(x-2)(x-8) = 0

x=2,8

y=12,24

so, we have

-8,2,12,72

or

-8,8,24,72

- SeQuEnCeS and SeRiEs: HELP PLZ! -
**kazz**, Friday, January 4, 2013 at 2:33pmthanks:-)

**Related Questions**

Maths - 1..The first 2 terms of a geometric progression are the same as the ...

Maths - An arithmetic and a geometric sequence have the same first terms.(2).......

Algebra - Determine whether each sequence is arithmetic or geometric. Find the ...

math - Determine whether each sequence is arithmetic or geometric. Find the next...

math... - how can I tell if a sequences is airthmetic, geometric or neither? ...

7th Grade Math for Steve.. or Ms. Sue - Determine whether each sequence is ...

Can someone help me?! - The 1st, 5th and 13th terms of an arithmetic sequence ...

Math - A sequence is formed by adding together the corresponding terms of a ...

Maths - Eric thinks of 2 sequences.One is geometric and the other arithmetic....

math - suppose an arithmetic sequence and a geometric sequence with common ...