Question

Nomor 4 dengan caranya,kalo ga keberatan tolong sekalian no.5.

Answer 1

4. m=-⅓
y-y1=m(x-x1)
y-2=-⅓(x+1)
y-2=-⅓x-⅓
y=-⅓x+5/3

5. y-y1/x-x1=y2-y1/x2-x1
y+3/x-2=6+3/-4-2
y+3/x-2=9/-6
-6(y+3)=9(x-2)
-6y-18=9x-18
-6y=9x
y=-9/6x