NAME: _________________________ PRECALCULUS H DATE: ______ CAMPANELLA PERIOD: ____ CHAPTER 10 MINI-TEST Form A Possible Points: 50 Directions: Show all work. Only a scientific calculator is allowed. Each problem is worth 5 points unless noted otherwise. 5 1. Find 4(4)i i1 2. The general term of a particular sequence is given by an 2n 3. Determine if the sequence is arithmetic, geometric, or neither. If it is arithmetic, find the common difference. If it is geometric, find the common ratio. 3. [3 pts.] Write the first five terms of the sequence whose general term is an (1)n1 2nn11 4. Carla takes a starting salary of $44,000 for the first year with an annual increase of 5.5% beginning in the second year. What is Carla’s salary, to the nearest dollar, in the seventh year? 32 5. Find 3k 6 k 1 6. Write .75 as a fraction using a method of your choice. 7. Find the sum, if there is one, of 1 1 1 ..... 4 16 8. Write using summation notation: 2 3 4 5 5 25 125 625 9. a) Write a formula for the nth term of the sequence 22, 18, 14, ... [3 pts.] b) Use your formula to find a15 . [2 pts.] TURN OVER
10. [7 pts.] Approximate the area under the curve y 1 x2 from x = 0 to x = 1 using a right hand approximation and four partitions. Your answer should be left as a reduced fraction.
Search
Read the Text Version
- 1 - 2
Pages: