GRE Sample Question, explanation? Thanks

In summary, the GRE Sample Question is a practice question designed to simulate the types of questions on the GRE test. An explanation is provided to help students understand how to solve the question and improve their problem-solving skills. The sample question and explanation can be beneficial for test preparation by providing hands-on practice and identifying strengths and weaknesses. However, they are not official materials and cannot guarantee a certain score on the test.
  • #1
Brown399
16
0
blu_ifxynot.gif


The correct answer is (1/y) - (1/xy) but i don't understand why

What does the sum of xy not equaling zero imply that we can do to the equation to solve it?
 
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  • #2
If xy != 0, then neither x nor y = 0.

Rewrite (x - 1)/(xy) as two separate fractions. What do you get?
 

1. What is the GRE Sample Question?

The GRE Sample Question is a practice question that is designed to simulate the types of questions that will appear on the GRE (Graduate Record Examination) test. It is meant to help students prepare for the actual test by familiarizing them with the format and content.

2. Why is an explanation provided for the GRE Sample Question?

The explanation is provided to help students understand how to solve the question and to give them insight into the thought process behind the answer. This can help them improve their problem-solving skills and better prepare for the test.

3. How can the GRE Sample Question and explanation be beneficial for test preparation?

The GRE Sample Question and explanation can be beneficial for test preparation by providing students with hands-on practice and feedback. It can also help them identify their strengths and weaknesses, allowing them to focus their studying on areas that need improvement.

4. Are the GRE Sample Questions and explanations official materials?

No, the GRE Sample Questions and explanations are not official materials. They are created by third-party companies or individuals to help students prepare for the test. However, they are designed to closely resemble official GRE questions and can be a useful resource for practice.

5. Can the GRE Sample Questions and explanations guarantee a certain score on the test?

No, the GRE Sample Questions and explanations cannot guarantee a specific score on the test. They are meant to supplement other study materials and provide practice opportunities. Ultimately, a student's score on the GRE will depend on their overall preparation and performance on the day of the test.

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