Online TA Profiles
Arul Gnanam, MSc (IP)
OTA ID#: 104808

Education Experience: B.Sc, Mathematics, Bharathiar University, 2000
M.Sc (IP), Mathematics, Bharathiar University, IP
Focus of Study: I am currently working towards completing arrears in my master degree.
Work Experience: Kathiri Mills software division
03/03/2003 to 15/07/04
I managed a team of 6 people in training them and helping them in handling quality online math sessions . I was an online math tutor in tutor.com education service in the US.
Skills & Achievements: I manages the team of 6 people and guided them well so that they can now produce quality online sessions.

One of my math session in tutor.com was recommended for the best session of the month.
Career Interests: My future plans include teaching online math for college students.
Outside Interests: I like reading, travelling and watching TV.
Message to Students
and/or Parents:
I approach my sessions from the student point of view so that it helps the students to learn from the pre-requisite. I have handled more than 3,000 math sessions including basic math, Algebra, Trigonometry , statistics and Calculus in tutor.com which will be handy in teaching students.
Postings Answered: 629
Cumulative OTA Rating: 4.6/5  What is OTA Rating?
Top Solutions Downloads
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  1. Parabolas : Put the function in the form y = a(x - h)2 + k and find the line of symmetry. y = x2 - 6x + 8, - For the function y = x2 - 6x + 8, perform the following tasks: a)Put the function in the form y = a(x - h)2 + k. b)What is the line of symmetry?
  2. Optimization problem - Here is the word problem: A mass of clay of volume 432in^3 is formed into two cubes. What is the minimum possible total surface area of the two cubes? What is the maximum? I have determined the fo ...
  3. Probability : If the probability that at least one person makes an A on the final exam is 0.15, then the probability no one makes an A is... - If the probability that at least one person makes an A on the final exam is 0.15, then the probability no one makes an A is: A. 0.15 B. 0.65 C. 0.85 D. 0
  4. Prime numbers, GCF and algebra word problems - Please see attachment for proper formatting. ____________________________________ 10. List the factors of each of the following number for 66. Using the following list of numbers for exer ...
  5. Find the linear Equation relating book value and number of years. - An item costs $1300, has a scrap value of $100, and a useful life of six years. The linear Equation relating book value and number of years is: A. BV = -100x + 1300 B. BV = -100x + 1200 C. BV = ...
  6. Basic Algebra - Place each of the following sets in ascending order. Evaluate. Note: These are absolute sign problems! SECTION 9.2 Add and subtract using the proper rules. Evaluate each of t ...
  7. Parabola Word Problems : Minimizing Cost - A company uses the formula c(x) = 0.02x^2 - 3.4 + 150 to model the unit cost in dollars for producing x stabilizer bars. For what number of bars is the unit cost at its minimum? What is the unit cost ...
  8. What role of operations that applies when you are solving an equation does not apply when you are solving an inequality? - What role of operations that applies when you are solving an equation does not apply when you are solving an inequality?
  9. Arithmetic Series : Finding d, the difference between any 2 terms. - Use the arithmetic series of numbers 1, 3, 5, 7, 9,…to find the following: What is d, the difference between any 2 terms? Please show me how you get the answers you got and any helpful resources. ...
  10. Matrix Solutions to Systems of Linear Equations - Matrices are the most common and effective way to solve systems of linear equations. However, not all systems of linear equations have unique solutions. Before spending time trying to solve a system, ...
  11. Independent and Dependent Variables - In a typical algebraic expression, there are two variables: an independent variable and a dependent variable. The independent variable is the number or the value that can change. The dependent varia ...
  12. Linear Programming - Max Z = 3x1 + 5x2 s.t. 7x1 + 12x2 <= 136 3x1 + 5x2 <= 36 x1, x2 >=0 and interger Find the optimal solution put your answer int he form of a solution for Z= enter xx only
  13. Word Problems : Surface Area of an Open Top Box - Thomas is going to make an open top box by cutting equal squares from the four corners of an 11 inch by 14 inch sheet of cardboard and folding up the sides. If the area of the base is to be 80 square ...
  14. Linear Programming/Sensitivity Analysis - I have provided answers, but I need someone to verify that they are correct. Please provide an explanation for your answer. 6. The PROPORTIONALITY property of linear programming models indicate ...
  15. Probability, Percent Markup, Percent Markdown and Compound Interest - Please see the attached file for the fully formatted problem(s). Question 1 0.5 points Save A package contains 9 candy canes, 6 of which are cracked. If 2 are selected, find the pr ...
  16. Algebra Word Problems and Constant of Variation - 1. For a healthy flamingo, the length of the legs is directly proportional to the total height of the bird. A healthy flamingo, which is 48 inches tall, has legs that are 32 inches long. a. Write ...
  17. Your group will develop four different population scenarios for a town. As a group, you will decide on the name of the town and the initial population. You will graph the function for each population scenario and use your model to make some decisions about the population. - MTH133 Unit 4 Group Project - A Name: Your group will develop four different population scenarios for a town. As a group, you will decide on the name of the town and the initial population. Yo ...
  18. Graphing, Radicals and Rational Exponents - See attached file for full problem description. 1) Solve the following equations. a) Answer: Show work in this space. b) Answer: Show work in this space. c) ...
  19. Geometry Questions - See attached file for full problem description.
  20. Logarithmic Equations Word Problems and Loudness of Sound - The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to (a ratio of) the weakest sound the ear can hear. Using the Library, web resources ...
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