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 (a,0) and (0,2a), where a > 1. What is the slope of line l?

A. negative 2

B. negative one half

C. 2

D. negative 2 a

E. 2 a?

正確答案>>>