Question Number: #Com9575

For which value of k does the following pair of equations yield a unique solution for x such that the solution is positive?

x2 – y2                 = 0
(x – k)2 + y2         = 1


Options:
A.) 3
B.) 0
C.) 2
D.) -2


Answer is option : C

Question Related Topics:
Quantitative Ability
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