What is the next term in the geometric sequence 4, -12, 36?

• -42

• -54

• -72

• -108

Find the common difference in the arithmetic sequence 

 $3,\ \frac{13}{4},\ \frac{7}{2},\ \frac{15}{4},...$  

•  $\frac{1}{4}$  

•  $\frac{3}{4}$  

•  $\frac{5}{2}$  

•  $4$  

What is the sum of all odd integers between 8 and 26?

If three arithmetic means are inserted between 11 and 39, what is the second arithmetic mean?

Which term of the arithmetic sequence 4, 1, -2, -5, ... is -29?

• 9th

• 10th

• 11th

• 12th

 $\ \frac{2}{25},\ \frac{2}{5},\ 2,\ 10,\ ...?$  

What is the 6th term of the geometric sequence above?

Find the sum of the geometric sequence where the first term is 3, the last term is 46875 and the common ratio is 5.

• 58 593

• 59 594

• 58 595

• 58 596

Find the eighth term of the geometric sequence where the third term is 27 and the common ratio is 3.

• 2187

• 6561

• 19683

• 59049

What is the sum of all multiples of 3 from 15 to 48?

Find p, so that the numbers 7p + 2, 5p +12, 2p - 1... form an arithmetic sequence.

• -8

• -5

• -13

• -23