For the equation $Y = X ^ { 2 } + Z ^ { 2 }$ ,which of the following points lie on the $Y = 25$ contour line?
A) $X = 2 Z = 4$
B) $X = 3 Z = 5$
C) $X = 4 Z = 3$
D) Both a and c.

Question

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The Answer of For the equation $Y = X ^ { 2 } + Z ^ { 2 }$ ,which of the following points lie on the $Y = 25$ contour line?
A) $X = 2 Z = 4$
B) $X = 3 Z = 5$
C) $X = 4 Z = 3$
D) Both a and c.

For the Equation Y=X2+Z2Y = X ^ { 2 } + Z ^ { 2 }Y=X2+Z2

For the Equation $Y = X ^ { 2 } + Z ^ { 2 }$