# 2P105

DAY 1: 25 May

The topic on finding midpoint and distance of the line is indeed very interesting and enriching for me today. This topic is in general, rather easy to understand, and I feel the only thing left is the speed of completing the questions. I tend to be a little slower today because the x intercepts and y intercepts was rather confusing at certain points of time. Nonetheless, this topic was fun. I had never thought we could use Pythagoras Theorem together with coordinate geometry. This goes to show how topics of math are always interlinked and can be used hand-in-hand together.

DAY 2: 26 May

Type a 100-word reflection for today's lesson and comment on your work.

Submission of Designs:
 Design 1 (LONDON 2010) Design 2 ("RU4") Design 3 (SYRINGE) Design 3 (Optional) (BOAT) Window Settings: Xmin = -14 Xmax = 14 Ymin = -7 Ymax = 7 Equations: Blue Ring Y1 =2 + sqrt(16-(x+9)^2) Y2 =2 - sqrt(16-(x+9)^2) Black Ring Y3 =2+sqrt(16-(x-0)^2) Y4 =2-sqrt(16-(x-0)^2) Red Ring Y5 =2+sqrt(16-(x-9)^2) Y6 =2-sqrt(16-(x-9)^2) Yellow Ring Y7 =-2 + sqrt(16-(x+4.5)^2) Y8 =-2 - sqrt(16-(x+4.5)^2) Green Ring Y9 =-2 + sqrt(16-(x-4.5)^2) Y10 =-2 - sqrt(16-(x-4.5)^2) Window Settings: Xmin = 0 Xmax = 6 Ymin = 0 Ymax = 6 Equations: y1= 3 + sqrt(9-(x-3)^2) y2= 3 - sqrt(9-(x-3)^2) y3= 7 - x/(2 <= X)/(x<=4.5) y4= 2/3 *(2x-0.5)/(2-X)/(x<=3.1) Design 3: syringe only (the lines): y1= 2/(1<=x)/(x<=5) y2= 1.5/(1<=x)/(x<=5) y3= -1.5x + 3.5/(0.5<=X)/(x<=1) y4= 1.5x/(0.5<=X)/(x<=1) y5= -.25x + 3.25/(5<=X)/(x<=5.75) y6= .25x + .25/(5<=X)/(x<=5.75) curves: y1= 1.75+(1.56-(x-3.75)^2)^1/2 /(2.19<=X)/(X<=3.75) y2= 1.75-(1.56-(x-3.75)^2)^1/2 /(2.19<=X)/(X<=3.75) y3= 1.75+(1.1-(x-3.75)^2)^1/2 /(2.65<=X)/(X<=3.75) y4= 1.75-(1.56-(x-3.75)^2)^1/2 /(2.65<=X)/(X<=3.75) y5= 1.75+(1.56-(x-2.5)^2)^1/2 /(0.94<=X)/(X<=2.5) y6= 1.75-(1.56-(x-2.5)^2)^1/2 /(0.9<=X)/(X<=2.5) y7= 1.75+(1.1-(x-2.5)^2)^1/2 /(1.4<=X)/(X<=2.5) y8= 1.75-(1.1-(x-2.5)^2)^1/2 /(1.35<=X)/(X<=2.5) y4= 1.75+(1.56-(x-3.75)^2)^1/2 /(2.65<=X)/(X<=3.75)

Day 2 Reflections:
The use of graphic calculator was rather difficult - firstly, because my macbook faces some technical difficulties with the graphic calculator, and secondly, because the conversion of equation to make y the subject was rather confusing. In the end, after traveling to my classmate's house and spending 1 hour gruesome hour there doing the London Olympics graph, I finally managed to complete it. However, I don't think I might be able to complete design 2, 3 and 4.Nonetheless, I will still try my best. The grraphic calculator is indeed very intriguing.