The best way to show and explain direct proportional relationships is by graphing two sets of related quantities. If the relation is proportional, the graph will form a straight line that passes through the origin. Note: Different countries around the world use different money (or different currencies).

An equation is a mathematical sentence with an equal sign. A formula is an equation in which one variable is given in terms of other variables or numbers.

An INEQUALITY is a statement which shows that two quantities are not equal. If two quantities are not equal, then one is greater than the other. The symbol for equality is “=”.

A fixed value. In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in “x + 5 = 9”, 5 and 9 are constants.

Notice that 32 is the reciprocal of 23. When two quantities are in a proportional relationship, there are two constants of proportionality, and they are always reciprocals of each other.

Key idea: the graph of a proportional relationship is a straight line through the origin. …

Direct proportion is the relationship between two variables whose ratio is equal to a constant value. In other words, direct proportion is a situation where an increase in one quantity causes a corresponding increase in the other quantity, or a decrease in one quantity results in a decrease in the other quantity.

Two variables are called inversely proportional, if and only if the variables are directly proportional to the reciprocal of each other. Or we can say when two variables or quantities are in inverse proportion, then the product of the two variables is equal to a constant value.

Originally Answered: How 8,8,8 is equal to 6 if using mathematical sign in between? The cube root of 8 is 2. So taking the cube root of three 8s gives us three 2s. Adding up the three 2s we get 6.

The challenge is to make each equation true using common mathematical operations. You cannot introduce any new digits (so the cube root ∛ is not allowed since it has a 3). And you must make each equation true–this is not a trick involving the not equals symbol ≠).

0 (zero) is a number, and the numerical digit used to represent that number in numerals. It fulfills a central role in mathematics as the additive identity of the integers, real numbers, and many other algebraic structures.

Googol. It is a large number, unimaginably large. It is easy to write in exponential format: 10100, an extremely compact method, to easily represent the largest numbers (and also the smallest numbers).

Zillion is not actually a real number; it’s simply a term used to refer to an undetermined but extremely large quantity.

Like zillion and jillion, gazillion is a made-up word meaning “a whole bunch” that’s modeled after actual numbers such as million and billion.

After a billion, of course, is trillion. Then comes quadrillion, quintrillion, sextillion, septillion, octillion, nonillion, and decillion.

We can say that zillion and jillion are roughly in the same class in terms of vastness. Beyond these lie the more ginormous bazillion and bajillion. Beyond even these are the incomprehensible gazillion and gajillion [4] .