math

dera Lesson 6.5 Geometric Sequences Learning Goal: I can identify, extend, graph, and write LAL Math Resource Center geometric sequences. (Standards: F.IF.3, F.BF.1a, F.BF.2, F.LE.2) learn4.life/Math Video Instruction Available! EXPLORE Describing Calculator Patterns Visit https://bit.ly/2JPXLNG or scan the QR Code to the right for an interactive tool to investigate this exploration (adapted from Lesson 6.5). desmos In a geometric sequence, the ratio between each pair of consecutive terms is the same. This ratio is called the common ratio. Work with a teacher/tutor. Enter the keystrokes on a calculator and record the results in the table. Describe the pattern. Use the online tool to complete this activity. a) Step 1 2 b) Step 1 6 4 Step 2 X 2 Step 2 X 5 Step 3 X 2 Step 3 X 5 Step 4 X 2 Step 4 X 5 Step 5 X 2 Step 5 X 5 = Step 2 3 4 5 Step 1 2 3 4 5 Calculator Calculator display display c) Use a calculator to make your own sequence. Start Step 2 3 5 with any number and multiply by 3 each time. Calculator Record your results in the table. display d) Part (a) involves a geometric sequence with a common ratio of 2. What is the common ratio in part (b)? Part (c)