Saturday, July 31, 2010

Factor by grouping



Factoring by grouping is usually done when you have at least 4 terms and they do not look to have anything in common. The procedure for that is:






Factor by grouping, in layman language, is simply defined as the grouping of terms with common factors before factoring a polynomial. A polynomial is a mathematical expression that is formed by variables and constants. The construction of such variables and constants is done by using operations of addition, subtraction, multiplication and non-negative whole number exponents (constants). Before we get down to factor by grouping methods

In mathematics, factoring is one of the important topic in algebra. Given expression can be factored by using the method of factoring by grouping. The given polynomial expression can be factored by different methods that are factoring by grouping, using trinomials by ac method, and group the polynomials more than two groups. Let us solve some example problems in factoring by grouping.

In our next blog we shall learn about levels of measurement

I hope the above explanation was useful.Keep reading and leave your comments.

Monday, July 26, 2010

Time

Let us learn about "Time"


Time is quantified in comparative terms or in numerical terms using units Time has been a major subject of religion, philosophy, and science, but defining it in a non-controversial manner applicable to all fields of study has consistently eluded the greatest scholars.
Time is represented through change, such as the circular motion of the moon around the earth. The passing of time is indeed closely connected to the concept of space.Student know tutor time locations to schedule their time for studies.
Time is very precious especially for students. "The key is to have a balanced life. Set aside a fraction of your time to carry out your dreams and ambitions."
Time is limited, Time is scarce, You need time to get what you want out of life, You can accomplish more with less effort, Too many choices
Because a student's time is so valuable, it is important to use it wisely. This can be done by taking advantage of idle time that could be spent studying. This could happen during lunch, on the bus ride to and from school or before a class starts. By taking advantage of these extra minutes, you will more efficiently use your time, reducing time spent studying at home, which will leave time for other activities.

Another useful tip is to find out when you do your best work. Some students are night owls and perform well late into the evening. Others perform better in the morning. Find out which time works for you and concentrate studying and assignment efforts during that period. This uses your time more effectively.

In our next blog we shall learn about parallel axis theorem

I hope the above explanation was useful.Keep reading and leave your comments.

Saturday, July 24, 2010

Introduction to factoring quadratic equation


Let us study about Factoring quadratic equation,

An equation is in the form of y= ax2 + bx + c, where a, b, c are variables with a not equal to zero is called as quadratic equations. When we graph the quadratic equation, we will get a curve called as parabola.

Parabolas are the curvature that be able to open upward or downward depending the sign of
a and it may vary in its "girth", but all the parabolas have the same basic "U" shape.

I hope the above explanation was useful, now let me explain Quadratic Equation Problems

Thursday, July 22, 2010

quadrants of a graph


Hi Friends!!!

Let us learn about "quadrants of a graph"
-->Quadrant is the word helps us describes the parts. If you draw straight and perpendicular lines, divide the page into four parts, each called a quadrant graph.
Graph contains four quadrants.
Large amount used one is the 1st quadrants graph which is on the top right.

The left of it is declaring the second quadrants.
The third is the one below the second quadrants.
One on the graph that is below the first quadrant is specified the fourth quadrants graphs.
Graphs are pictures that help us understand amounts. These amounts are called data. There are many kinds of graphs, each having special parts.

My skills tutors helped me to learn graph.

What is Odd function

Let us study about Odd function,
Here we are going to learn even and odd functions. Even and odd functions are very useful in graphing and symmetry. Whether a function is even or odd can be said using some algebraic calculations.
Every plot may not have symmetry so there is no need that every function should be even or odd. That is a function can be even or odd or might not be both. Now we will separately learn even and odd functions.

I hope the explanation was useful, now let me explain decimal place value chart.

Wednesday, July 21, 2010

horizontal asymptotes

Hi Friends, Good Evening!!!

Let us learn about "horizontal asymptotes"

Asymptote is a tangent which touches any curve at infinity , so that we cannot meet the curve and the line in real. We study 3 types of Asymptotes viz. Vertical, Horizontal and Slant/oblique Asymptote. Also in standard terms, Horizontal asymptotes are horizontal lines that the graph of the function approaches to 0 on x axis as x tends to +∞ or −∞. Similarly Vertical asymptotes are vertical lines and the graph of the function approaches to 0 on y axis as y tends to +∞ or −∞. Vertical asymptotes are straight lines near which the function grows without bound.When curve doesn't have Vertical or Horizontal then it contains Slant Asymptote.
Y=0 is and example of Horizontal asymptotes and similarly X=0 is an example of vertical asymptotes
Horizontal asymptotes are horizontal lines the graph approaches.
Horizontal Asymptotes CAN be crossed.
To find horizontal asymptotes:
* If the degree (the largest exponent) of the denominator is bigger than the degree of the numerator, the horizontal asymptote is the x-axis (y = 0).
* If the degree of the numerator is bigger than the denominator, there is no horizontal asymptote.
* If the degrees of the numerator and denominator are the same, the horizontal asymptote equals the leading coefficient (the coefficient of the largest exponent) of the numerator divided by the leading coefficient of the denominator
One way to remember this is the following pnemonic device: BOBO BOTN EATS DC
* BOBO - Bigger on bottom, y=0
* BOTN - Bigger on top, none
* EATS DC - Exponents are the same, divide coefficients
The above information is related to 9th grade math.

I hope the above explanation was useful.Keep reading and leave your comments.

Tuesday, July 20, 2010

Geometry Parts of a Circle

Let us study about the Parts of a circle,
A line to create a circle contains no start otherwise finish; it is a easy closed curve.
* Either point lying on the circumference of a circle is the equal distance as of the middle of the circle.
* A line section as of a point lying on the circumference of a circle to its middle is known as the radius.
* Both line segment to start and ends on the circle’s circumference is known as a chord.
* A chord to exceeds during the middle of a circle is known as the diameter.
The diameter of either circle is double as long as circle within the radius. Each circle contain an infinite number of radii also diameters. For a known circle, every diameters are congruent also every radii are congruent. A chord is a line part that connecting two points on a curve. Within geometry, a chord is frequently utilized to illustrate a line part connecting two endpoints that lie on a circle.
I hope the above explanation helped you.