Find the equation of a line in standard form given:
问题描述:
Find the equation of a line in standard form given:
(a) The line has x-intercept 7 and slop -4.
(b) The line has is parallel to y = 3 - 2x and passes through the origin.
答
(a)4x + y = 28
(b) 2x + y = 0