Homework Help: Pre-Calculus-check answers

Posted by Lucy on Saturday, September 13, 2008 at 4:12pm.

Find the sixth term in the geometric sequence: sqrt3y^3, -3y^5, 3sqrt3y^7

Answer: -27y^13

2) Find three geometric means between -sqrt2 and -4sqrt2.

Answer: -2, 2sqrt2, -4

Thanks

Pre-Calculus-check answers - drwls, Saturday, September 13, 2008 at 4:56pm
1) I agree

2) Your answer is OK, but these are not geometric means. They are three numbers in a geometric progression. Another possible answer would be -2, -2 sqrt2, -4.

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