Question

11) through: (-1, 2), slope = -1

.
A) x-2y=1
B) x + 2y = 1
C) 2x - y = 2 D) r + y = 1

Answer 1

x+y=1

Explanation:

y-y1=m(x-x1)

y-2=-1(x-(-1))

y-2=-(x+1)

y=-x-1+2

y=-x+1

y-(-x)=1

y+x=1

x+y=1