multiplicative property


Definition of Multiplicative Property

  • Multiplicative Property of Equality: The two sides of an equation remain equal if they are multiplied by the same number. That is: for any real numbers a, b, and c, if a = b, then ac = bc.

  • Multiplicative property of Inequality: The two sides of an inequality remain equal if they are multiplied by the same number.
    That is, for any real numbers a, b, and c, if a > b then ac > bc and if a <> then ac <>.

  • Multiplicative property of Negative One: The product of – 1 and any number results in the opposite of that number.
    That is, for any real number a, a × - 1 = - a.
  • Multiplicative Property of Zero: The product of 0 and any number results in 0.That is, for any real number a, a × 0 = 0.

Examples of Multiplicative Property

  • Multiplicative Property of Equality: x = 4 ⇒ 3x = 12
  • Multiplicative Property of Inequality: y < 5="" ⇒="">y <>
  • Multiplicative Property of Negative One: 3 × - 1 = - 3
  • Multiplicative Property of Zero: 8 × 0 = 0

Solved Example on Multiplicative Property

Which one of these number sentences illustrates multiplicative property of zero?
Choices:
A. 11 × 7 = 7 × 11
B. 18 × 0 = 0
C. 57 + 41.9 = 41.9 + 57
D. 64 + 0 = 64
Correct Answer: B
Solution:
Step 1: The product of zero and any number is zero.                 [By Zero Property.]
Step 2: So, zero property is related with only multiplication of a number
with 0.
Step 3: The equation 64 + 0 = 64 illustrates the identity property of addition.
Step 4: The equation 11 × 7 = 7 × 11 illustrates the commutative property of multiplication and the equation 57 + 41.9 = 41.9 + 57 illustrates the commutative property of addition.
Step 5: Among the choices, the equation 18 × 0 = 0 only involves multiplication with 0. So, it illustrates zero property.

Related Terms for Multiplicative Property

  • Multiplicative Property of Equality
  • Multiplicative Property of Inequality
  • Multiplicative Property of Negative One
  • Multiplicative Property of Zero
  • Real numbers
  • Product
  • Opposite