Mathematics Quiz - Multiplication by Zero

Quiz Question Overview

• Question Number: 10
• Question Content: What is the result of $0 \times (-7)?$

Answer Choices

• Option A: 7
• Option B: 0
• Option C: -7
• Option D: Undefined

Correct Answer

• The correct answer is Option B: 0.

Explanation of the Concept

• Multiplication by Zero: In mathematics, any number multiplied by zero results in zero. This can be expressed mathematically as:

  • $a \times 0 = 0$ for any real number $a$.

• Therefore, applying this rule:

  • $0 \times (-7) = 0$.

Related Concepts

• Properties of Zero:
  • Zero is the additive identity (i.e., $a + 0 = a$ for any number $a$).
  • Zero is the multiplicative absorptive (i.e., $0 \times a = 0$ for any number $a$).