Expansion Definition Math

When substances are heated the molecular bonds between their particles are weakened and the particles move faster causing the substance to expand. Let us name that something y. In geometry expansion is a polytope operation where facets are separated and moved radially apart and new facets are formed at separated elements vertices edges etc.

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The increase of something in size number or importance.

Expansion definition math. Expansion geometry an operation on geometric objects with flat sides expansion model theory in mathematical logic a mutual converse of a reduct expansion card in computing a printed circuit board that can be inserted into an expansion slot expansion chamber on a two stroke engine a tuned exhaust system that enhances power output. The increase of something in size. To expand we put. Expansion is an affine transformation sometimes called an enlargement or dilation in which the scale is increased.

A central dilation corresponds to an expansion plus a translation. Meaning to multiply something into a term x. The act or process of expanding territorial expansion economic expansion expansion of the universe. We ve expanded the number to show the value of each of its digits.

Notice the between the 3 and 6 to mean multiply so 3 6 18. The expansion of a regular polytope creates a uniform polytope but the operation can be applied to any convex. A number or other mathematical expression written in an extended form. The quality or state of being expanded.

Equivalently this operation can be imagined by keeping facets in the same position but reducing their size. The expansion of a b 2 is a 2 2ab b 2 math mathematics maths a science or group of related sciences dealing with the logic of quantity and shape and arrangement. For example thisterm x can be 3 a or even a b c 8. Expansion is usually due to heating.

Expansion a function expressed as a sum or product of terms. Expanded form when we write the number 521 what that number really means is that we have the total of 500 20 1. Definition of expansion in maths. It is the opposite of a geometric contraction and is also sometimes called an enlargement.

An increase in the volume of a substance while its mass remains the same. In algebra putting two things next to each other usually means to multiply. And here is another example involving some numbers. So 3 a b means to multiply 3 by a b here is an example of expanding using variables a b and c instead of numbers.