Posted by Chelsea on Monday, January 25, 2010 at 5:38pm.
Find the next two numbers in the geometric sequence:
28,14,7...

Algebra  Ms. Sue, Monday, January 25, 2010 at 5:44pm
What pattern do you see?

Algebra  Chelsea, Monday, January 25, 2010 at 5:47pm
The only pattern I see is 7*2=14 and 14*2=28
so each term is multiplied 2 times. But when it gets to the 7 don't you have to divide the term by 2 because you can't multiply it? so the answer would be 3.5 and 1.75. right?

Algebra  Ms. Sue, Monday, January 25, 2010 at 5:54pm
You're right! :)

Algebra  Chelsea, Monday, January 25, 2010 at 5:56pm
Okay, that's what I thought. But I have to enter my answers onto an online service and it says my answers are wrong.

Algebra  Chelsea, Monday, January 25, 2010 at 6:00pm
Thank you Ms. Sue again. I just needed to change the answer to a fraction.

Algebra  Ms. Sue, Monday, January 25, 2010 at 6:02pm
Ahh  thank you for clarifying this. And you've very welcome, Chelsea.
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