Homework Help: Math

Posted by Melanie on Saturday, January 15, 2011 at 2:58pm.

1. What are the next two terms of the following sequence? -3, 1, 5, 9...
2. What are the next two terms of the following sequence? -2, 4, -8, 16...
3. What is the common difference of the following arithmetic sequence? 13, -7, -27, -47...
4. What is the ninth term of the arithmetic sequence defined by the rule A(n) = -14 + (n-1)(2)?
5. Each time a touchdown is scored in a football game, 6 points are added to the score of the scoring team. A team already has 12 points. What rule represents the number of points as an arithmetic sequence?

I already did the problems, just wanna make sure that they are correct.

Math - Ms. Sue, Saturday, January 15, 2011 at 3:08pm
I'll be glad to check your answers.

Did you get 13 and 17 for number 1?
Math - Melanie, Saturday, January 15, 2011 at 3:10pm
Thank you (:

Yes, I did. It's correct right?
Math - Ms. Sue, Saturday, January 15, 2011 at 3:21pm
Yes.
Math - Anonymous, Friday, May 25, 2012 at 9:14pm
ok
Math - dramamama, Tuesday, October 30, 2012 at 7:30pm
13 and 17 is right
Math - Anonymous, Wednesday, November 7, 2012 at 12:18pm
what did you get for the last problem?

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