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Algebraic Properties of Real Numbers

The basic algebraic properties of real numbers a,b and c are:

  1. Closure: a + b and ab are real numbers

  2. Commutative: a + b = b + a, ab = ba

  3. Associative: (a+b) + c = a + (b+c), (ab)c = a(bc)

  4. Distributive: (a+b)c = ac+bc

  5. Identity: a+0 = 0+a = a

  6. Inverse: a + (-a) = 0, a(1/a) = 1

  7. Cancelation: If a+x=a+y, then x=y

  8. Zero-factor: a0 = 0a = 0

  9. Negation: -(-a) = a, (-a)b= a(-b) = -(ab), (-a)(-b) = ab

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AnnJordan

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3y ago
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14y ago

Multiply together the values of b and c.

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Q: How do you work out what bc is in algbra?
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