7-7 Practice Geometric Sequences as Exponential Functions Determine whether each sequence is or Explain. arithmetic, geometric, neither. 1. 1, 2. 3, , –5, –11, –17, … 1, , … 3. 108, 36, 12, 4, 4. 4, 8, … –2, –6, … Find the next three terms in each geometric sequence. 5. 64, 16, 4, 6. 2, 72, … –12, … 7. 3750, 750, 150, 8. 4, 28, 196, … … 9. Write an equation for the term of the geometric sequence 896, 224, . nth –448, … Find the eighth term of this sequence. 10. Write an equation for the term of the geometric sequence 3584, 896, 224, . nth … Find the sixth term of this sequence. 11. Find the sixth term of a geometric sequence for which = 288 and = . r 12. Find the eighth term of a geometric sequence for which = 35 and = 7. r 13. PENNIES Thomas is saving pennies in a jar. The first day he saves 3 pennies, the second day 12 pennies, the third day 48 pennies, and so on. How many pennies does Thomas save on the eighth day?
7-7 Practice Geometric Sequences as Exponential Functions Determine whether each sequence is arithmetic, geometric, or neither. Explain. 1. 1, –5, –11, –17, … 2. 3, , 1, , … 3. 108, 36, 12, 4, … 4. –2, 4, –6, 8, … Find the next three terms in each geometric sequence. 5. 64, 16, 4, … 6. 2, –12, 72, … 7. 3750, 750, 150, … 8. 4, 28, 196, … 9. Write an equation for the nth term of the geometric sequence 896, –448, 224, … . Find the eighth term of this sequence. 10. Write an equation for the nth term of the geometric sequence 3584, 896, 224, … . Find the sixth term of this sequence. 11. Find the sixth term of a geometric sequence for which = 288 and r = . 12. Find the eighth term of a geometric sequence for which = 35 and r = 7. 13. PENNIES Thomas is saving pennies in a jar. The first day he saves 3 pennies, the second day 12 pennies, the third day 48 pennies, and so on. How many pennies does Thomas save on the eighth day?
7.7-Practice-Geometric-Sequences-as-Exponential-Functions.docx