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Tuesday, December 17, 2013
Sunday, December 8, 2013
SP #6: Unit K Concept 10 - Writing repeating number as rational number using geometric series
The viewer needs to pay special attention that this number is INFINITE, meaning it is continuous and has a repeating integers. With infinite numbers, the infinite sign is needed on top of the repeating numbers. One must also need to pay attention that the process of infinite geometric series is being used, which includes summation notation, plugging it to the formula (a sub one divided by one minus r), and the sum. One last thing to remember before finding the final sum is to add the value on the left side of the decimal (which we ignored from the start) from the original.
Sunday, November 24, 2013
Fibonacci Haiku: The Lovely Judith
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcSksbuqyORTj7HaMSC957G4T36YckVdWUFZPkPx5qPeZbgV_-fa |
Judith?
Who?
My friend?
The charming sister?
The one mirroring our friendship?
You wonder who's she and still don't know...
No matter who she is, I love darn Judith that’s the flipping problem...
Saturday, November 16, 2013
SP #5: Unit J Concept 6 - Partial fraction decomposition with repeated factors
The viewer needs to pay special attention that when there are common factors, each of the repeated factor will have a power one more than the one before. One must count up the factors and include the factor as many times as the exponent. The viewers need to pay attention to their work and make sure to not make an error throughout the process. There are many places where errors could be made, especially when distributing/multiplying factors. And finally, the viewer needs to be aware that there are (4) systems, therefore there are four variables. Process of elimination is used to solve for a variable, followed by substitution to solve for the others.
Friday, November 15, 2013
SP #4: Unit J Concept 5 - Partial fraction decomposition with distinct factors
The viewer needs to pay special attention when multiplying factors and combining like-terms. There are many places where one can make a mistake and ruin the entire problem. (Part 1 and Part 2 are certain places where making mistakes can occur). The viewers also needs to pa attention to the least common denominator used to add these fractions (again, in Part 1 and 2). Grouping like-terms need to be organized properly to make 3 system and, if possible, simplified. Finally, the viewers need to make sure the final answer in Part 3 is identical to the initial problem in Part 1.
Monday, November 11, 2013
SV #5: Unit J Concept 3-4 - Solving 3-variable systems
The viewer needs to pay special attention on the order and patter we are solving to get the 3 0's. We start with Row 3 Term 1, then Row 2 Term 1, and finally Row 3 Term 2. After the 3 0's are solved for, we continue solving by making a 1 stair-step pattern. We do this by multiplying the reciprocal of the leading coefficient, or by dividing by the leading coefficient. Probably the most important thing overall is that this is solving to get consistent independent solutions (one answer). Consistent independents solutions are a bit different than solving for consistent dependent solutions (infinite solutions).
Tuesday, October 29, 2013
WPP #4: Unit I Concept 3-5 - Investment application problem
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