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About Brian Davidson
(Top Expert on this page)

Expertise
I can answer questions ranging from Pre-Algebra through AP Calculus BC (first year college calculus), as well as some questions in Discreet Mathematics (probability, matrix theory, graph theory, and combinatorics).

Experience
From my earliest years as a math student, I have dedicated myself to learning the concepts and discipline of mathematics. In addition to a rigorous mathematics course sequence throughout junior high and then high school, I have served for four years on my school's math team and won several first place awards in both state and national competitions. I earned a perfect score on the AP Calculus BC exam, and (in addition) have done in-depth course work in discrete mathematics and differential calculus. Of course, I more commonly find myself offering aid in less advanced forms of math, which is why "Math for Kids" is perfect for me, also given my education credentials and previous experience.

Education/Credentials
Although I am just a college student, my educational experiences are broad. I have served as a certified student tutor for mathematics and physics both inside and outside of high school (2005 to 2009), served as a student leader by helping teach an integrated science/math class at my high school, where I was able to develop my teaching style through lessons and group interaction. Although I have much to learn before beginning to teach professionally (as I plan to do), I am proud to have helped over 80 students achieve success in mathematics over a four year period, all while expanding my own knowledge and appreciation for the discipline. And although I have studied many advanced forms of mathematics, some of my most successful students came to me for help with pre-algebra, algebra, or elementary geometry.

Awards and Honors
Outstanding Student Teacher Award (2009), Senior Student Tutor/Seminar Lecturer (2008), 3 First-place mathematical olympiad finishes, 4-second place.

Past/Present Clients
I have tutored between a 80 and 90 fellow students (both same age and younger) during high school before my graduation, although for privacy reasons, I'd rather not give specific names in such an online context. If more information is needed, please feel free to contact me through private email at bldavidson1990@hotmail.com

   

You are here:  Experts > Science > Math for Kids > Math for Kids

SubjectDate AskedExpert

Algebra11/15/2009Brian Davidson
  Q: I need a real life application of a linear function. I need to state the application, give the ...
  A: Debby, Good question. A useful real-world application has to do with a falling object. Consider a ...
ap calculus ab11/12/2009Brian Davidson
  Q: my problems (set 3): In Exercises 4 and 9, find dy/dx. Use your grapher to support your analysis if ...
  A: Asad, Here are my solutions. In case any of my solutions seem confusing, please feel free to ...
ap calculus ab11/10/2009Brian Davidson
  Q: my problems (set 2): In Exercise 19 find dy/dx. 19. y=(x+1)(x+2)/(x-1)(x-2) 20. Use the definition ...
  A: Asad, Good questions. Here are my solutions: 19. I would multiply the numerators and ...
ap calculus ab11/8/2009Brian Davidson
  Q: my problems (set 1): In Exercises 16, 17, and 18 find dy/dx. 16. y=(1-x)((1+x²)^-1) 17. ...
  A: Asad, My sincerest apologies. Now you see what happens when I answer questions at 3am! :) For ...
ap calculus ab11/8/2009Brian Davidson
  Q: my problems (set 1): In Exercises 16, 17, and 18 find dy/dx. 16. y=(1-x)((1+x²)^-1) 17. ...
  A: Asad, Here are my solutions: For many of these problems, we must recall the quotient rule. The ...
ap calculus ab11/6/2009Brian Davidson
  Q: my problems (set 2): For Exercises 9, 10, 11, 12, 13, 19, 21, 22, 23, and 24 find the derivative of ...
  A: Good questions. I am more than happy to answer all of them (that's what I am here for!), but please ...
ap calculus ab11/3/2009Brian Davidson
  Q: my problems (set 1): In Exercises 4, 6, 10, 15, 17, 18 use the result of these problems to find ...
  A: These questions, I believe, can all be answered with the use of either the product or quotient rule. ...
ap calculus ab10/30/2009Brian Davidson
  Q: My Problems (set 2): [DN1] Find the slope of y=3x² at the point (-2, 12). [DN2] How many vertical ...
  A: Asad, For problem #1, we recall the formula for the derivative of an exponential function. The ...
math question10/27/2009Anil
  Q: the length of a rectangle is L. The width is one more than 3 times the length. Find the area of ...
  A: Area of a rectangle = Length X Width In this case, Length = L 3 times the Length is = 3 X L = 3L ...
ap calculus ab10/27/2009Brian Davidson
  Q: My Problems (set 1): 22. In Exercise 22, find the formula for the slope of the graph. Use the ...
  A: Asad, 22. The function is g(x) x^3. To find the slope of the graph, we must find the formula for ...
area of triangles and irregular shapes10/23/2009silly_dreamer
  Q: I am trying to figure out the area of different triangles and irregular shapes. A regular shape is ...
  A: Sorry it's taken me a while to get back to you. I've been sick and unable to access my computer. ...
dump it10/21/2009silly_dreamer
  Q: 1, mark was clearing out his old books and comics. he dumped half of them. he gave half of what was ...
  A: Vicky, These are my favorite types of questions. Questions that require problem solving skills. ...
urgent math10/21/2009Brian Davidson
  Q: I REALLY need to know how to go about finding the inverse of a transcendental function. I have no ...
  A: Rick, Great question...The equation you mentioned does not have an inverse in terms of ONLY ONE OF ...
math10/19/2009Brian Davidson
  Q: sin(A+B)=sinA cosB+cosA sinB sir please explain it graphically
  A: Pratap, Thanks for your question. Without a way of drawing a picture for you, it is very difficult ...
ap calculus10/14/2009Brian Davidson
  Q: My problems (set4): [Ex.6] Find the limit of (3-Radical(x+5))/(x-4) as x approaches 4. 1. Find the ...
  A: Asad, Ex #6: I assume that in example #6, the (x-4) is not under the radical? Iam also assuming ...
algebra10/13/2009silly_dreamer
  Q: The width of a rectangle is one half its length. The perimeter of the rectangle is 54cm. What are ...
  A: Sorry it took so long for a response. I typed up an answer to this question, but it must not have ...
ap calculus10/11/2009Brian Davidson
  Q: I am 16 and in 12 grade of high school My problems (set 3): 9. Find the slope-intercept form of the ...
  A: Asad, Thanks for your questions. My answers are below-- Feel free to reply again if there is ...
Least common multiple10/10/2009silly_dreamer
  Q: Find LCM of 70 & 98?
  A: Sorry it took me so long to get back to you. I've been having internet issues. There are several ...
LCM or HCF9/16/2009Anil
  Q: I need to explain the calculation for the smallest 4 digit number that is divisible by 18,24 & 32. I ...
  A: take the biggest number 32 and get multiples of that number since you want 4 digit mutiple divide ...
Mean & Range9/13/2009John Zalewski
  Q: My name is Morven i am not home schooled, but i am still finding Mean & Range rather ...
  A: Morven. The mean is simply the average for a set of numbers. For your question, the mean for A, B, ...
8th grade Ratio Strategies9/6/2009Anil
  Q: I have searched the internet and can not find a site that can help. I need to explain how to work ...
  A: If you are can solve it with fractions, I guess you already know the underlying theory. When you are ...
8th grade Ratio Strategies9/6/2009silly_dreamer
  Q: I have searched the internet and can not find a site that can help. I need to explain how to work ...
  A: Fractions are certainly the easiest way to do it. As long as the fractions are set so the ...
8th grade Ratio Strategies9/6/2009silly_dreamer
  Q: I have searched the internet and can not find a site that can help. I need to explain how to work ...
  A: I'm not positive what you're asking. As an eighth grade math teacher, I teach my students to solve ...
Pre-Algebra9/4/2009silly_dreamer
  Q: Having a problem understanding how to solve this complex fraction: 2/3-1/6 / -3/4-1/2...can you ...
  A: From what you wrote, the complex fraction reads, in words, two-thirds minus one-sixth divided by ...
pls.answer this8/31/2009Brian Davidson
  Q: what is the meaning of LCM?
  A: Great question! "LCM" stands for the "Least Common Multiple". Any two numbers have a ...
8th grade math8/26/2009Anil
  Q: My daughter brought home a math paper over rational numbers. Not sure how to change the decimal to ...
  A: Before I tell you how to convert a decimal number to a fraction, lets do some recap. Rational ...
algebra help please7/12/2009silly_dreamer
  Q: I'm completely lost on these two problems. Please help in any way you can! 18. Solve: k/k+1 + ...
  A: These problems look harder than they are. Let's first think about a problem like 1/3 + 1/7. To get ...
algebra6/2/2009John Zalewski
  Q: My name's Danielle and I'm having some trouble on my homework. I was wondering if you could help. ...
  A: Danielle. For the first question, you'll notice a pattern. A+B = 1+-2, which is -1. -1 + C (3) = 2, ...
Algerbra5/19/2009silly_dreamer
  Q: Jenny wants to utilize a portion of her garden for growing flowers. Being a designer herself, she ...
  A: This is a problem where it seems like we would use inequalities. It's actually not. What we're ...
Question!5/8/2009Anil
  Q: Should I tell my techer about it though,she's understand?
  A: I don't see any harm in telling the teacher. But again, my message to you would be "Continue to be ...
Question.5/7/2009Anil
  Q: I have a math question.I am in the 8th grade,A/B student,only 5 b's this year, but I forgot how to ...
  A: Since you did not give her the permission to copy you have not done anything that amounts to ...
pre- algebra4/29/2009silly_dreamer
  Q: teacher goes threw these pronlems so fast i can loose my head but heres the problem: 1. 3x-5=2(2x+5)
  A: The goal here is to isolate the variable to one side of the equation. We must be careful to follow ...
Question.4/26/2009eileen
  Q: I have a math question.I am in the 8th grade,A/B student,only 5 b's this year, but I forgot how to ...
  A: Hey, I am sorry I answered so late, percent of increase = (new amount - original amount)/ original ...
Question.4/26/2009Anil
  Q: I have a math question.I am in the 8th grade,A/B student,only 5 b's this year, but I forgot how to ...
  A: This is how you would approach the problem: Examine the given data Population in 1990: 207619 ...
Question.4/26/2009silly_dreamer
  Q: I have a math question.I am in the 8th grade,A/B student,only 5 b's this year, but I forgot how to ...
  A: Sorry it took some time to get back to you. My internet's been out all weekend. Congrats on the ...
Word problem4/25/2009Anil
  Q: Could you please check my work and explanation for this word problem? Erin's average for six math ...
  A: I am guessing it is too late for you to get this reply. But I will reply anyway. Lets the score in ...
Card Word Problem4/24/2009eileen
  Q: How many cards must be drawn from a standard 52-card deck to be certain that at least two cards ...
  A: Hey! Ok to answer this problem draw a model. Draw four suits SUIT 1 SUIT 2 SUIT 3 SUIT ...
Length and width4/19/2009silly_dreamer
  Q: My name is Tyler. I am in 8th grade and in Algebra 1. I need help on this question. The length Of ...
  A: Hey Tyler, I love these kinds of questions and it's great that you already have the perimeter ...
Alegbra - length of a rectangle4/3/2009Anil
  Q: I haven't done math in a long time and I'm trying to help out my wife with her math homework for ...
  A: You have it right. In fact I am surprised that you solved it quite well and still wanted to ask me ...
Home-schoolers do it a bit different...3/10/2009John Zalewski
  Q: Mr. Zalewski. My name is Emily and I'm an eighth grade home-schooler. I've been home-schooled all ...
  A: Emily. Basically, pi = 3.14, r is the radius, h is the height, B is the base, l is the length, and ...

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