Posted by Lara on .
x, x+5, x+9 form a geometric sequence; find the value(s) of x and the numerical value of each term.

Math 
Reiny,
for a GS (x+5)/x = (x+9)/(x+5)
x^2 + 10x + 25 = x^2 + 9x
x = 25
so the terms are 25,20,16
Check: 20/25 = .8
16/20 = .8