Silent Do Now (5 min.) *Create new weekly sheet & take out homework on arithmetic sequences! Review of Lesson 1-4 ANSWER THESE 5 QUESTIONS TO SEE IF YOU.

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Silent Do Now (5 min.) *Create new weekly sheet & take out homework on arithmetic sequences! Review of Lesson 1-4 ANSWER THESE 5 QUESTIONS TO SEE IF YOU ARE PREPARED FOR YOUR QUIZ! Is the following a function? Why or why not? (3, 2) (4, 4) (3,7) 2. What is the domain and range of the relation above? 3. If f(x) =2x + 4 and g(x) = 3x + 2, find f(x) + g(x) and then find f(x) * g(x) 4. What are the x and y intercepts of the graph to the right? 5. Sarah wants to take piano lessons. Her parents lend her $100 and say that she must pay them back $10 each week. What is the function that represents this scenario?

Agenda Review Do Now Take Quiz Review Exit Ticket & Review Arithmetic Sequences Begin Geometric Sequences!

Geometric Sequence A sequence of terms that have a common ratio between them

Explicit Formula Formula used to find the nth term of a sequence

Explicit Formula for Geometric Sequence Where a1 is the first term in the sequence and r is the common ratio

Geometric Sequence Example 1: Find the common ratio r = 2

r = 1/4 Geometric Sequence Example 2 : Find the common ratio 256, 64, 16, 4, … r = 1/4

Example 3: Find the common ratio, the explicit formula, and the seventh term. 6, 3, 1.5, 0.75 …

Example 4: Find the common ratio, the explicit formula, and the tenth term. -4, -12, -36, -108 …

Example 5 : The fifth term is 1,792. The common ratio is 4 Example 5 : The fifth term is 1,792. The common ratio is 4. Write the explicit formula.

Example 6 : During the month of October, a few teachers decided to spread some holiday fun by starting a game of getting “boo”ed. On the first day, 3 teachers were given “boo” bags and directions to “boo” 2 other teachers. If every teacher followed the directions to “boo” 2 teachers with candy and a sign, find the following: a. The explicit formula b. The first 5 terms 3, 6, 12, 24, 48…

Independent Practice