MATH 10 QUIZBEE DIFFICULT ROUND

What is the sum of the first 10 terms of the arithmetic sequence -21, -17, -13, -9, ...?

What is the remainder if you divide (x³ + 6x² + 2x + 44) by (x + 2)?

What are the next 3 terms in the following geometric sequence: 512, 256, 128, , , __, ?

(Separate your answers by a comma)

What is the sum of the first 7 terms of the sequence 2, 6, 18, …?

Given the general rule: a_ⁿ = n³ + 5n - 1, find the value of the term if n = 5.

If you insert 3 terms between 2 and 512, what will be your geometric sequence?

I was advised by my physician to walk each day in the morning as my daily exercise. On my first day, I

         walked 40 m. On the second day and third day, I walked 60 m and 80 m, respectively, and so on. What is the distance I walked on the 10th day if I continue the pattern in my daily week? 

Insert 3 geometric means between 4 and 5184.