Describe the graph of the equation. r = (5 – 21) i + 71j O It is a line in 2-space through the point (-2, 7) and parallel to the vector v = 5 i. O It is a plane in 2-space through the point (-2, 7) and parallel to the vector v = 5 i. O It is a line in 2-space through the point (5, 0) and parallel to the vector v = -2i+ 7j. O It is a line in 2-space through the point (5, 2) and parallel to the vector v = 7j. O It is a plane in 2-space through the point (5, 0) and parallel to the vector v = -2i + 7j.

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