Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

In the x y-plane, line l passes through the points 0 comma 0and 2 comma 5. Line m is perpendicular to line l. What is the slope of line m?

(A) negative (5 over 2)

(B) negative (2 over 5)

(C) 2 over 5

(D) 5 over 2

(E) 5 

正确答案>>>