Warm up Y= y intercept ? growth factor? x y 1 2 5 3 25 4 125 43,046,721, Y=3(n-1) y intercept ? growth factor? Y=
Thanksgiving story
Exponential decay: The graph does not match up with the data, but it is similar to what you would expect from the data below: note most of the + increase of y is in the –X quadrant X Y 1 1/3 -1 3 -2 9 -3 27 43,046,721, Y=3(n-1), 16,777,216 Y= 1/3X or y= 3-X
Try This: Two years ago I deposited $150 in a savings account whose growth rate was 12%. Create an equation and table. Years 1 2 3 savings
Try This: Two years ago I deposited $150 in a savings account whose growth rate was 12%. Create an equation and table. Years 1 2 3 savings 150 168 188.28 210.88 Y= 150(1+.12)x
2.1 Ghost Lake months Square feet 1000 1 2 3 4
2.1 Ghost Lake 1000 2000 4000 Y=1000 (2m-1) 12moths= 2048000 months Square feet 1000 1 2000 2 4000 3 8000 4 16000 Y=1000 (2m-1) 12moths= 2048000 14.6 years
2.2 Chicken Bouillon Days Square millimeters 1 2 3 4 5 150, M= 50(3d)
2.2 Chicken Bouillon M= 50(3d) 50 1 150 450 1350 Days Days Square millimeters(mm2) 50 1 150 2 450 3 1350 4 4050 5 12150 M= 50(3d)
HW # 3,4,7,10,12,14 2.1 & 2.2 for completion pages 33-36 Quiz Friday!!!!
Don’t Get your name on the board! TALKING IN CLASS!!!! When teacher is talking = Disrupting the classroom environment Don’t Get your name on the board! Raising your hand and waiting your turn. 1st troubling event= 10 min lunch detention and email to parents. 2nd troubling event= 20 min lunch detention and call to parents. 3rd troubling event= 20 min lunch detention and meeting with parents.
Typical Lesson I’ll Introduce a activity and notes. Then ask for questions Then group work with cups, not a toy!!!! I’ll walk around but also be available up front: Key to understanding math is to struggle individually with problems and use group members for help and support.