Tuesday, August 31, 2010

Precalculus help

Introduction grade 4 math:

Solving fractional equations as addition & subtract normal expressions is a royal pain, solving normal equations is simpler. solving fractional equations of addition & subtract is you depart from a normal expression to a normal equation get a whole unusual set of tools to work with. You can be able to multiply both sides of the equation to get rid of the denominators.

Fractional:

Find the answer following equations:

3 ⁄ 2 = x / 2

Solving this equations is x=3

the denominators are! equal, so all solved the numerators.

Definition(Fractional):

The bottom part the denominator have several parts the whole is divided into, and the top part the numerator is effective add fractions.

Types of Fractions :

Proper fraction:

In the numerator is less than the denominator .

Example: 1/5 and 5/6 are the example of the proper fractions.

Improper fraction:

The numerator the ! is better than or equal to the denominator .

Example: 5/7 and 9/8 (nine eighths) are the example of the improper fractions

Mixed fraction:

The entire number & the fraction collective into the one "mixed" number. Start Growing up with Mathematics

Example: 1 1/2 (one and a half) is a mixed fraction

(and also Mixed Number)


precalculus online

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