How to divide negative numbers - SAT Math

Card 0 of 4

Question

What is ?

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.

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Question

Solve for :

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:

or

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Question

Divide:

Answer

Anytime a positive number is divided by a negative number, or vice versa, the end result is a negative number. Find the common factors.

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Question

Divide:

Answer

In order to divide, it is necessary to simplify the numerator and denominator first.

Divide both negative numbers. Two negatives divided will result in a positive number.

The answer is .

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