Sunday, February 10, 2013

Math Definitions and Examples

Introduction of math definitions and examples:

Mathematics Definition is the study of quantity, structure, space, and change. Mathematicians seek out patterns, formulate new conjectures, and establish truth by rigorous deduction from appropriately chosen axioms and definitions. Mathematics is used throughout the world as an essential tool in many fields, including natural science, engineering, medicine, and the social sciences. Applied mathematics Understanding What is a Common Factor is always challenging for me but thanks to all math help websites to help me out.


Algebra definition for math definitions and examples:


Algebra is a branch of mathematics. Algebra plays an important role in our day to day life. The Algebra executes the four basic operations such as addition, subtraction, multiplication and division. The most important terms in algebra are variables, constant, coefficients, exponents, terms and expressions. In Algebra, besides numerals we use symbols and literals in place of unknown numbers to make a statement. Hence, Algebra may be regarded as an extension of Arithmetic.

Ex :    x+5=-x+15

Sol :   x+5=-x+15

x+5-5  =  -x+15-5

x  = -x+10

x + x =-x+x+10

2x=10

2x/2=10/2

X=5


Geometry in Mathematics for math definitions and examples


The definition of Geometry is associated with the shapes which includes angles, length, properties. Algebra is also used for finding unknown values of length or angle.

Ex :   Find the angle of triangle A when angles B=60 degree and C=80 degree.

Sol :  The sum of angle of the triangle ABC is equal to 180 degree.

That is, angle of A + Angle of B + angle of C = 180 degree

Angle of A + 60 degree + 80 degree = 180 degree

Angle of A + 140 degree = 180 degree

Angle of A + 140 degree - 140 degree = 180 degree - 140 degree

Angle of A = 40 degree


Statistics in Mathematics for math definitions and examples


The definition of Statistics is using for relating numerical data. In statistics, we will do the following operations such as mean, median and range.

Ex : 10, 30, 20, 50, 40. Find mean, median and range.

Sol :  Given is, 10, 30, 20, 50, and 40.

Arrange the numbers is ascending order.

10, 20,30,40,50

Mean= (10+20+30+40+50)/5

Mean=150/5

Mean=30

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Calculus for math definitions and examples:


The definition of Calculus involves two basic parts such as derivatives and integrals. In derivatives, a function is performed on another function is called composite function. Derivative is rate of changes of a point in the curve. Integration is finding area below the curve.

Ex 1:  d/dx(x^2+4x+5)

Sol  :  Given is d/dx(x^2+4x+5)

= d/dx(x^2) + d/dx(4x)+ d/dx(5)

=2x+4

Ex 2:  d/dx(x^2+2x+2)

Sol :  Given is d/dx(x^2+2x+2)

= d/dx(x^2) + d/dx(2x)+ d/dx(2)

=2x+2

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