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1) Define a geometric sequence.
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2) Find the next three terms in the following geometric sequence.
1, –2, 4, –8, …
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3) Find the next three terms in the following geometric sequence.
8, 20, 50, …
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4) Find the first five terms of the geometric sequence for which:
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5) Find the first five terms of the geometric sequence for which a1 = 10 and r = –1.
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8) Fill in the table for the geometric sequence represented by f (n) = –3 × 2n – 1
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9) Use the table to write an explicit formula for the geometric sequence.
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10) Given the function f (n) = 85 × (2/3) n –1, state a1 and r.
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11) Write the explicit formula for the sequence: 200, 100, 50, 25.
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12) Using the graph, write the explicit formula for the geometric sequence. Click here to view the graph. (Hint, use points from the graph to make a table.)
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Arithmetic or Geometric?
Tell whether the following are arithmetic sequences, geometric sequences or neither.
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16) Explain how to write the function for a geometric sequence given a table of values.
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17) Use the table below and determine if it is an arithmetic or geometric sequence. Then, write an explicit formula for finding any term in the sequence.
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Word Problems on Geometric Sequences and Series
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18) Jackson is told that he will be given 1 cent for working today. However, for each day he works, he will get double the pay. So, on day 2, he gets 2 cents, on day 3, 4 cents, and so on. Jackson thinks, no way, that’s not much money. But if he agrees, how much will he make on day 20?
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20) Explain where the Fibonacci sequence is found in nature.
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21) What did the most famous Fibonacci problem posed have to do with?
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22) Consider the following scatterplot. Does it show a linear, quadratic, or exponential function?
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23) The following data represents the length of baby as it grows during pregnancy. The average length at various points in the pregnancy is recorded (in inches). Use this data to make a scatterplot and find a best fit line. Give your answer for the best fit line. State which points you used to find the equation of the line.
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24) Given the 2 quadratic functions below (one in graph form and one in equation form), tell which equation has the larger maximum. Explain how you know.
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25) Consider the function from #24, f (x) = –1/2(x – 1) 2 + 2. Give the x-intercepts and y-intercepts for this function |
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26) Describe the transformation from the parent function f (x) = x2 that results in g(x) = –1/2(x – 1)2 + 2.
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27) Find the inverse of f (x) = x2 + 2x + 1.
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28) Given the following box-and-whisker plot, state the lower extreme, upper extreme, median, lower quartile and upper quartile.
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29) Explain what the upper and lower quartiles in a box-and-whisker plot represent.
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30) Simplify.
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31) If you were directed by your school to complete Offline Activities for this course, please enter the information on the Log Entry form. |
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No offline activities found |
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