Distributive, Identity, and Inverse Properties

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Distributive, Identity, and Inverse Properties: Learn

An Axiom is a mathematical statement that is assumed to be true. A Property can be proven logically from axioms.

Distributive Property: This is the only property which combines both addition and multiplication.

For examples x(y + z) = xy + xz and (y + z)x = yx + zx

Additive Identity Axiom: A number plus zero equals that number. (The number keeps its identity!)

For examples x + 0 = x or 0 + x = x

Multiplicative Identity Axiom: A number times 1 equals that number. (The number keeps its identity!)

For examples x * 1 = x or 1 * x = x

Additive Inverse Axiom: The sum of a number and the Additive Inverse of that number is zero. Every real number has a unique additive inverse. Zero is its own additive inverse.

For example x + (-x) = 0

Multiplicative Inverse Axiom: The product of a real number and its multiplicative inverse is 1. Every real number has a unique multiplicative inverse. The reciprocal of a nonzero number is the multiplicative inverse of that number. Reciprocal of x is 1/x.

For example x * 1/x = 1

Distributive, Identity, and Inverse Properties: Practice

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