Given that x2 + y2 + k = 60 and x = $\sqrt{10}$ when y = 4 , find the value of k.

Assessment: NECO SSCE - General Mathematics - 2008 (Objective) Subject: General Mathematics

Question 1 Report

Given that x² + y² + k = 60 and x = $\sqrt{10}$ when y = 4 , find the value of k.

56

34

32

-34

-56

Answer Details

x $^{2}$ + y $^{2}$ + k = 60

(?10) $^{2}$ + (4) $^{2}$ + k = 60

k + 10 + 16 = 60

k = 60 - 26

k = 34

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