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(U1) Lesson 9 - Geometric Meanies

Last updated over 2 years ago
14 questions
Today's Learning Goal:
  • Apply understanding of the common ratio between terms in a geometric sequence to find missing terms.
Today's Materials:
  1. Laptop
  2. Pencil
  3. Guided Note Sheet
  4. Binder
Please complete the Jump Start (activator). This is independent it should be silent.

Jump Start

Answer questions #1-3. Make sure to show your work on #1.
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What are the missing terms?

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Evaluate.

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Evaluate.

Guided Notes Paper:

Lets do some guided notes on the provided paper before we come back to practice some more missing terms tables.

Root Calculator
Click the link for a root calculator.
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Watch me while I,
Find the missing terms in the geometric sequence, show your work.

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Watch me one more time,
Find the missing terms in the geometric sequence, show your work.

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Together lets,
Find the missing terms in the geometric sequence, show your work.

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Now try independently,
Find the missing terms in the geometric sequence, show your work.

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Reorder the steps to finding the missing terms for a geometric sequence.
Put the steps to finding missing terms in geometric sequences in order.

  1. Divide the last term by the first term.
  2. Check your work for mistakes.
  3. Take the "# of jumps" root of the answer from when you divided. The result is your ratio.
  4. Count the number of jumps between known terms.
  5. Multiply the first term by the ratio and continue until you fill all missing terms.

Partner Practice:

Instructions: Each of the tables given represents an geometric sequence. Find the missing terms in the sequence, show your method, and create the explicit equation.

Whatever isn't finished is your homework.
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Find the missing terms in the sequence, show your work.

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The explict equation for the table in #9 is:

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Find the missing terms in the sequence, show your work.

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The explict equation for the table in #11 is:

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Find the missing terms in the sequence, show your work.

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The explict equation for the table in #13 is: