In the figure above, points D, G, and Q lie on the surface of sphere S.

Which of the following is tangent to sphere S?

A: DQ
B: YL
C: QS
D: DG​

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

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step-by-step explanation:

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1/8 is left? add a bit more info plz