gwd-6-27(similar)

jennifer1979

27. in the xy-plance, is the slope of line k positive?

(1) line k passes through the points(--1, --7) and (2, 5)

(2) line k has equation y=4x-3

answer: d

jessybright

line k passes through the points(--1, --7) and (2, 5)得出K的直线方程是y=4x-3

jennifer1979

再次谢了

kevin623

with condition one only, what if the line is not a straight one?

cookercai

in geometry, line refers to straight line.

jingle0915

谢谢