1. Find the geometric mean between: 1.4 and 9 2.3 and 6 3.6 and 20 4.15 and 20 Geometric Mean x is the geometric mean between a and b. a x x b = Similarity 8 Warmup

2. 4 and 9 x 2 = 36 x = 6

3. 3 and 6 x 2 = 18 x  4.2

4. 6 and 20 x 2 = 120 x  11.0

5. 15 and 20 x 2 = 300 x  14.1

7. A C D E A C E medium A CD large A DE small h k r g m r m h g + k h k r g m or HeartbeatRabbit

8. Continue for practice problems

9. x y 3 4 D A B C y 2 = 12 x 2 = 28

10. y 2 = 72 x 2  152.73

11. 4x = 4y 2 = 20

12. 20x = 100 y 2 = 75 20 10 x y