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Archive for the ‘Living With Mathematics’ Category

What is Algebra?

It is an domain of mathematics that use alphabetic characters in replacement of numbers to derive results for a given situation. It is this generalization that often scares many and thrills some. topics of algebra extend from working with inequalities to factoring binomials all the way to finding the y-intercept. In most cases, just as in any other maths related class, students begin by adding, subtracting and simplifying algebraic expressions. later on, they would move on to more advanced stages of solving algebraic equations using the least common multiples and converting fractions in to decimals.

Oh no! It’s Exponents, Radicals and Graphing

There are numerous advanced subjects. Firstly there are powers. An exponent is the little number placed as superscript to a number or algebraic expression. An example is (x + y)³ where the 3 is the power and denotes the power to which that number is exponentiated. The above algebraic expression is expressed as, x plus y to the third power. While working with exponents you will frequently encounter exercises that require you to add, subtract, multiply and divide. You can work with rational and negative exponents. If that isn’t enough to make your head spin, then you can move on to radicals. A radical, in simple terms, is the reversing of an exponent. Radical expressions are referred by the symbolic representation “V” and when placed alongside number 4, it is read as square root of 4, which is equal to 2. The contrasting exponential equation is 2^2 which is read, 2 to the 2nd power, and equals 4. Moreover, exponents can be added, subtracted, multiplied or divided by radicals. Radicals can be changed into powers and powers back into roots. If you find that powers and roots don’t really stimulate your interest, you could move on to graphing. Start with graphing straight lines and finding if the line is horizontal or vertical or neither. Another question to ask is whether the line has an x-intercept or a y-intercept Furthermore, try and see if you can find the slope of a line. you master the mathematical art of graphing, you will chance on a whole new world filled with parabolas and hyperbolas.

Want Help?

While you are learning algebra if the terms and concepts seem too much to handle, relax and take a break. There are many resources out there that can help you master non-linear systems of equations , quadratic formulas and polynomials. The custom is to settle for a math tutor, but the up-to-date algebraic software are no different. In fact, they are as good as math tutors. You can also use algebra calculators or algebra solvers. any of these tools can help you become an algebra expert in very little time.

Measurement is linking physical quantities to figures which further enables comparison between quantities and figures to be carried out. In the past when there was no system of measurement, the body was used to determine length and other units of measurement such as, length of a foot or the span of a hand. Later the Egyptians invented a system using cubits after which the Babylonians established another systemutilizing the same cubits. Many schemes were established during the years until the English system which uses feet, inches and yards was introduced. In the United States, this system is still widely used. Later on, the metric system was established. This scheme is commonly used in the fields of science, medicine and in government matters. The standard unit of measurement utilized in the metric system is meters.

There are more than one ways to convert from one unit to the next. In order to transfer from one unit to another, it is extremely important that you know the fundamentals and their equivalents. In this scenario where the transfer is from meters to feet, the unit of measurement is distance. Let us look at the chief methods of conversion.

The lowest units in this conversion are centimeters to inches. 1 foot is comprised of 12 inches and 1 meter is comprised of 100 centimeters.

Considering the fact that the lowest units are inches and centimeters, you must know how many centimeters make up an inch. One inch is made up of 2.54 centimeters.

Since 2.54 centimeters make up 1 inch, and there are 100 centimeters in a meter, you need to multiply the number of meters by 100. When you arrive at the answer, divide it by 2.54.

You will reach a figure which would be the number of inches in the amount of meters converted. All you have to do is divide the number by 12 to arrive at the number of feet. This is so since 12 inches make one foot.

The internet provides so many services and changing units of measurements is by no means left out. There are numerous websites that make it so much simpler to transfer meters to feet than to use a calculator or just mere calculating capability. All you have to do is enter ‘convert meters to feet’ and you’d be shocked at the number of choices to choose from.

1.Qsl.net – this website is user friendly. Just enter the amount of meters to convert and click ‘convert to feet’. The result will be shown in both inches and feet.

2.CalculateMe.com – Another easy-to-use converter. Input the amount of meters and select ‘convert to feet’ for the answer.

3.Metric-conversions.org – Just like other website converters, enter the value to convert and click ‘go’.

4.UnitConversion.org – the only thing needed here is to enter the number. Meanwhile you are inputing the number of metres the feet equivalent is displayed at once!

Algebra – what is it?

Algebra is a broad category of mathematics that uses generalization by replacing alphabetic characters for numbers. It is this abstraction that often scares many and shudders some. topics of algebra extend from working with inequalities to factoring binomials all the way to finding the inverse of a matrix. In many cases, just as in any other mathematics related class, students begin by adding, subtracting and simplifying algebraic expressions. They then move on to understanding equivalent fractions, finding Least Common Multiples (LCM) and converting fractions to decimals .

Exponents and Radicals and Graphing Oh My!

There are many another advanced subjects. Firstly there are powers. An exponent is the little number placed to the right and slightly above a number or algebraic expression. In this example (x + y)³ where the 3 is the power and denotes the power to which that number is raised. The above algebraic expression is read as, x plus y to the third power. In working with exponents you can add, subtract, multiple or divide them. If you pick up the fundamental principles, you will soon start working with rational and negative exponents and if you think those are not challenging enough, hopefully radicals will spin your head. A radical, in simple terms, is the undoing of an exponent. Radical expressions are shown by the symbolization “V” and when placed alongside number 4, it is read as square root of 4, which is equal to 2. The opposite exponential equation is 2^2 which is read, 2 to the 2nd power, and equals 4. Moreover, powers can be added, subtracted, multiplied or divided by radicals. Radicals can be converted into exponents and exponents back into roots. If you find that powers and radicals don’t really shake your interest, you could move on to graphing. The best way to start with graphing is to draw lines and try to work out if they are horizontal, vertical or neither. Another question to ask is whether the line has an x-intercept or a y-intercept Furthermore, try and see if you can find the slope of a line. After you master graphing lines, a whole world of circles, parabolas and hyperbolas awaits you!

Help is Available

If you are learning algebra and this all seems a little too much, don’t fret. It’s time to look around because there exists a wide array of resources that is able to help you master the study. The tradition is to settle for a math tutor, but the up-to-date algebraic software are no different. In fact, they are better than math tutors. You can also use algebra calculators or algebra solvers. any of these instruments can assist you become an algebra guru in no time.