Line m and line k lie on the xy-coordinate plane, and line mis perpendicular to line k. Which of these statements could be true?

Question

Line m and line k lie on the xy-coordinate plane, and line mis perpendicular to line k. Which of these
statements could be true?
Select all that apply.
(A) Line m and line k intersect.
(B) Line m and line k have the same slope.
(C) The sum of the slopes of lines m and k is 0.
(D) Line m creates an acute angle at the intersection with line k.
(E) The product of the slopes of lines m and k is -1.

Kunduz · Accepted Answer

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