The straight line (x - 2)/3 = (y - 3)/1 = (z + 1)/0 isA. parallel to t – InterviewSolution

1.

The straight line (x - 2)/3 = (y - 3)/1 = (z + 1)/0 isA. parallel to the x-axisB. parallel to the y-axisC. parallel to the z-axisD. perpendicular to the z-axis

Answer»

Correct option is D. perpendicular to the z-axis

It is perpendicular to z-axis because cos90° is 0 which implies that it makes 90° with z-axis.

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