Zero Division Problem: Finding the Sign of 0 ÷ (-1/8)

Zero Division with Negative Fractions

Determine the resulting sign of the following exercise:

0:(18) 0:(-\frac{1}{8})

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find the result sign
00:03 0 divided by any number is always equal to 0
00:12 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Determine the resulting sign of the following exercise:

0:(18) 0:(-\frac{1}{8})

2

Step-by-step solution

Note the rule that anything we divide by zero will give us a result of zero:

0x=0 \frac{0}{x}=0

0:x=0 0:x=0

Therefore, the answer is zero.

3

Final Answer

0

Key Points to Remember

Essential concepts to master this topic
  • Rule: Zero divided by any non-zero number always equals zero
  • Technique: 018=0 \frac{0}{-\frac{1}{8}} = 0 regardless of sign
  • Check: Verify by multiplication: 0×(18)=0 0 \times (-\frac{1}{8}) = 0

Common Mistakes

Avoid these frequent errors
  • Confusing zero divided by a number with division by zero
    Don't think 0÷(18) 0 \div (-\frac{1}{8}) is undefined = wrong conclusion! This confuses dividing zero by something (which equals zero) with dividing by zero (which is undefined). Always remember: zero divided by any non-zero number equals zero.

Practice Quiz

Test your knowledge with interactive questions

What will be the sign of the result of the next exercise?

\( (-2)\cdot(-4)= \)

FAQ

Everything you need to know about this question

Why isn't the answer negative since we're dividing by a negative number?

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Great question! The sign of the divisor doesn't matter when zero is the dividend. Since 0×anything=0 0 \times \text{anything} = 0 , zero divided by any non-zero number is always zero, never positive or negative.

What's the difference between 0 ÷ (-1/8) and (-1/8) ÷ 0?

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Huge difference! 0÷(18)=0 0 \div (-\frac{1}{8}) = 0 (zero divided by something), but (18)÷0 (-\frac{1}{8}) \div 0 is undefined (something divided by zero).

How can I remember this rule?

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Think of division as "how many groups?" If you have 0 cookies to divide among any number of people, each person gets 0 cookies. Zero divided by anything (except zero) is always zero!

Does this work for all fractions, not just -1/8?

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Yes! 0any non-zero number=0 \frac{0}{\text{any non-zero number}} = 0 . Whether it's 05 \frac{0}{5} , 034 \frac{0}{-\frac{3}{4}} , or 0100 \frac{0}{100} , the answer is always zero.

Why do some answer choices include + and - signs?

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Those are distractors designed to test if you understand that zero has no sign. Zero is neither positive nor negative - it's just zero!

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