PSAT Math : How to divide negative numbers

Study concepts, example questions & explanations for PSAT Math

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Example Questions

Example Question #13 : Negative Numbers

What is ?

Possible Answers:


Correct answer:


A negative number divided by a negative number always results in a positive number.  divided by  equals . Since the answer is positive, the answer cannot be  or any other negative number.

Example Question #14 : Negative Numbers

Solve for :

Possible Answers:

Correct answer:


Begin by isolating your variable.

Subtract  from both sides:

, or 

Next, subtract  from both sides:

, or 

Then, divide both sides by :

Recall that division of a negative by a negative gives you a positive, therefore:


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