Answer:
Explanation:
11. Line one's gradient: y2-y1/x2-x1
(-3-(-5))/(-3-(-5) = 1
Line One: y=x+c
put in x,y point
-5= (-5) + c
c = 0
Line One: y = x
Line two's gradient:
(4-3)/(2-1)=1
Line Two: y=x+c
put in x,y point
3=1+c
c = 3-1 = 2
Line Two y=x+2
This means they are parallel.
12. She has $1275, $40 are being removed weekly.
m = 1275-40w
D.