GMAT Math : DSQ: Graphing complex numbers
Study concepts, example questions & explanations for GMAT Math
All GMAT Math Resources
Example Questions
Example Question #651 : Data Sufficiency Questions
Let 
From the number 
Statement 1:
Statement 2:
EITHER statement ALONE is sufficient to answer the question.
Statement 2 ALONE is sufficient to answer the question, but Statement 1 ALONE is NOT sufficient to answer the question.
BOTH statements TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient to answer the question.
Statement 1 ALONE is sufficient to answer the question, but Statement 2 ALONE is NOT sufficient to answer the question.
BOTH statements TOGETHER are insufficient to answer the question.
BOTH statements TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient to answer the question.
The complex conjugate of an imaginary number 
Therefore, it is necessary and sufficient to know 
We need go no further; since 
Example Question #2762 : Gmat Quantitative Reasoning
Let 
Evaluate 
Statement 1: 
Statement 2: 
BOTH statements TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient to answer the question.
Statement 1 ALONE is sufficient to answer the question, but Statement 2 ALONE is NOT sufficient to answer the question.
EITHER statement ALONE is sufficient to answer the question.
BOTH statements TOGETHER are insufficient to answer the question.
Statement 2 ALONE is sufficient to answer the question, but Statement 1 ALONE is NOT sufficient to answer the question.
BOTH statements TOGETHER are insufficient to answer the question.
Assume that both statements are true. The value of 
Case 1: 
Case 2: 
In both cases, both statements are true, but the value of 
All GMAT Math Resources
