What do you know about Blog??

A blog is a personal online journal that is frequently updated and intended for general public consumption. Blogs are defined by their format: a series of entries posted to a single page in reverse-chronological order.Blogs generally represent the personality of the author or reflect the purpose of the website that hosts the blog. Topics sometimes include brief philosophical musings, commentary on Internet and other social issues, and links to other sites the author favors, especially those that support a point being made on a post.
The author of a blog is often referred to as a blogger. Many blogs syndicate their content to subscribers using RSS, a popular content distribution tool.

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Discuss about manything of Angles

Well this topics is about angles and we discuss actually in long time ago but we have already to finish yet today.

We discuss about it almoust every day because it easy enough and actually we practice to discuss is for about increase our vocabularry and grammar that suppose to be basic to become great in english. and the under of this paragraph is the result,

Discuss about Angles

Place : In Mahendra's Homestay
Date : Monday 12 th on January
Time : 13.00 - 18.00 pm

Agung: Today we are going to learn about angles. So what do you know about angles??

Ali: I know what an angle is! It is two rays connected together
Agung: That is correct!! how did you know??Did you read that from your book?
Ali:Yes. on basic concept geometry
Agung:

Well, there are three categories of angles: acute, obtuse and right.. Right angles are present many places in real life. Look at the corners of this room or the edges of your books. A right angle is an angle that measures 90 degrees.

The second type of angle is acute. An acute angle is an angle whose measure is less than 90 degrees.

Ali: Let me guess! The third type is an angle whose measure is more than 90 degrees. am i right??

Agung:
Yes, and the name of that angle is obtuse.We also have names for pairs of angles. Angles are formed when lines intersect. We are going to look at the angles formed when two parallel lines are intersected by a third line called a transversal . In this picture we can see what i mean










Ali: Those lines formed 8 angles?? am i right again agung??
Agung: . . . . .

Agung: Good job. Now, who can show me an acute angle?
Ali: can! It is the one on the top right, and illustrate with b and f
Agung: Right again. But, can you show me an obtuse angle?
Ali: yes of course. . .and the answers is a and e

Agung:
Correct. We need an easier way of referring to the angles we are talking about. So from now on, we will label our angles. Angles a and b are adjacent angles

Angles f and h are also adjacent angles. did you know what it means for a pair of angles to be adjacent? Does it mean that they are side by side? what about your answers??

Ali: Mmmm I'm follow with you

Agung: yes, adjacent angles are angles that share a ray, Can you tell me another pair of angles that are adjacent?

Ali: angles c and d and angles b and d ?
Agung: That is correct
Ali: Thanks friend

Agung:

There are many pairs of adjacent angles in the picture. Now, let's talk about vertical angle. Angles a and d are vertical angles. Angles f and g are also vertical angles.

Ali: Are vertical angles ones that are opposite from each other?

Agung:

Vertical angles share only one point. That point is called the vertex angles b and c are vertical angles and so are angles e and h. Now that we know what adjacent and vertical angles are,

Agung: I think it's enough, thank you for giving me a separe time that we can use for discuss about it.

Ali: you're welcome agung, and thanks for share about your knowledge.With that i can learn about english more happily. Thanks

English for Communicating in Maths Education


Well, if i told you about english maybe in this era english not become a special discissions again. We can learn about english from many source now, from electronic property for example, almoust all using english language for operation. After that we can learn about english from media such as television, radio etc.
Now in third grade of university, i learn something new from english that is taugt by Dr. Marsigit. He gave us some new knowledge that is english mathematics. Every day we get video and pre test that hope us to increase our vocabulary,grammar and also to prepare for TOEFL examination.
English of maths actually not to diffrent from english that have been got in senior high school or many source that illustrate in first paragraph. The difference of english maths and english in generally is our discussion fundamental that specially discuss about maths, from linear equation till abstraction algebra and many other thing.
English is universal language, so if we correlate english with maths, we can get the pure of knowledge of maths helping by english for universal translator. Because it universal we do not need a translator of editing book, just learn and understand english is enough. Many occurene that impact to the reader is the translation inappropriate with the sources that became different meaning. It’s very dangerous because maths is hematics, so if the source have different the formula do not operate with correct.
Many thanks to my lecturer who give me this new knowledge. Now i can learn maths more easy because i prefer that english can help me to solve many problem in maths and everything.

Video 3

SAT Math Lesson Function and Graphs

First information that we get from this question is the graph of y=g(x). But how we can solve the problem?the problem is we must find out what is the value of h(1).
That look easy.We only plug in the h(1) into the function of

h(x)=g(2x)+2 .And look the function y= g(x). We have g(2) and if g(2) so the y is 1. And The answers is h(1)=1+2 = 3

1. Let the function f defined by f(x)=x+1. If 2 f(p)=20.What is the value of f(3p).
Same think like above, we must understand what is the purpose of this question. This question is looking for f when x is equal 3p. Next information is f(x)=x+1. We can solve all such as like this:
f(x)=x+1 what f when x is equal 3p.
2 f(p)=20 x=3p
f(p)=10 x=27
f(p)=p+1 =10 f(27)=27+1
p=9 =28. This is the answer

x

Video 2
Determining limits by Inspection
there are two conditions that must be match before determining limits by inspection. First is x goes to positive or negative infinity and second the limit involves a polynomial divided by a polynomial. For example this is the problem earlier if from this case we can see that is polynomial over polynomial and x approaches infinity.
The key to determining limit by inspection is in looking at power of x in the numerator and the denominator.And remember to apply this rule you must be dividing by a polynomials and x has to be approaching infinity.
The first shortcut rule said “ if the highest power of x is greater in numerator than the denominator, then the limit is positive or negative infinity.
For the example if, . Since the highest power of x in the numerator 3 is the greater than the power of x square, the limit value is positive or negative infinity.Since all of the number is positive, and x is going to positive infinity, limit must be positive infinity.If you can’t tell if the answers is positive or negative infinity, you can subtitute in a large number for x and see if you end up with a positive or negative number.Whatever the sign you get is the sign of infinity for the limit.
The second shortcut rule set that if the highest power of x is in the denominator, then the limit inspection is zero. And the last shortcut rule can be used when highest power of x in numerator is same as highest power of x in denominator.If this is case, the limit of negative or positive infinity it just the quotient of the coefficients of the two highest powers. And the mean of coefficient is the number that the goes with a variable

VIDEO 1
GRAPHS OF RATIONAL FUNCTION
The graphs of rational function can have discotinuities because the rational function has a polynomial in the denominator which mean zero dividing by something will never get the answers. It’s possible that some value will lead to divisio by zero. If so that the value is straight up off limits this far is rational function concern. For example if
F(x)= when x=1 the function value equals with zero is the denominator is bad choice. For this function choosing x=1 is bad idea. With zero in the denominator make this function break in function graph.
Still in the same function. If F(x)= and insert x=0 the function value equals -2 but insert x=1 the function value equals . We know that if the denominator is zero will break the function.That is can be show up in the graphs and the value is two diconnected pieces of x=1 that is called by discontinuity.
But how we can solve this problem?? This problem can be solved by simplifying the rational function and eliminate the same function. For example:
and simplify the nominator and we get , cancel the (x-3) and the function value is F(x)=x+2. Try to insert x=3 and the value is x=5. We can see zero over zero again.
So the conclusion is, if we get some rational function and the denominator is zero, try to simplify that rational function first and cancel the same function. And don’t forget to try more, more and more. With practice, the calculus or mathematic will not scared agains