can someone please explain how to do this briefly.

For each of the sequence of numbers:
Identify the type of sequence.
Determine the next two terms of the sequences.
Describe a rule which can be used to form the sequence.
(a) 81; 108; 144; : : :
(b) 60, 80, 320/3 ; : : :

Question

can someone please explain how to do this briefly.

For each of the sequence of numbers:
 Identify the type of sequence.
 Determine the next two terms of the sequences.
 Describe a rule which can be used to form the sequence.
(a) 81; 108; 144; : : :
(b) 60, 80, 320/3 ; : : :

amistre64 · Answer

identify; is it arithmatic, or geometric

what expression can generate the terms

what are the next 2 terms

amistre64 · Answer

if 108-81 = 144-108, then its arithmatic

if 108/81 = 144/108; it geometris

amistre64 · Answer

216 not= 225  so its not a simple arith.  might be off by a constant

amistre64 · Answer

no, still should work out ....  might have to see a pattern

amistre64 · Answer

120 240 320 ...

you sure there aint no typos?

amistre64 · Answer

180
+  60
-----
  240
 +60
 ----
  300 not=320

amistre64 · Answer

144
-108
-----
    36 not= 81