Have you tried these?

Post your workings, I'm interested on what you have done.

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- Jan 17th 2011, 03:43 PM #1

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## Help Please, in a rut.

Ive been working through a book and got most questions until i got to these, and i am just in a rut do not have the skills to get out of it, please help guys. Thanks

- Jan 17th 2011, 04:24 PM #2

- Jan 17th 2011, 04:32 PM #3

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- Jan 17th 2011, 04:35 PM #4

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- Jan 17th 2011, 04:40 PM #5
This might help

Read #8, #11

http://www.mathhelpforum.com/math-he...hp?do=vsarules

- Jan 17th 2011, 05:35 PM #6

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Hello, Mathswoman!

I'll get you started . . .

#12 is a matter of Observation . . . look and see the pattern.

12. Write down the difference between consecutive pairs of term in the sequence

and describe the new sequence that has been found.

(a) Square numbers.

The differences are consecutive odd numbers.

. . The difference is: .

(b) Triangular Numbers

The differences are consecutive integers.

. . The difference is: .

(c) Powers of two

The differences are consecutive powers of 2.

. . The difference is: .

(d) Powers of three

The differences are twice a power of 3..

. . The difference is: .

(e) Fibonacci numbers

The differences are consecutive Fibonacci numbers.

. . The difference is: .