tolong di jawabb pke caranya............,........

a.) m=y2-y1/x2-x1
=3-2/-2-1
=1/-3
b.)m=y2-y1/x2-x1
=5-0/-1-7
=5/-8
c.)m=y2-y1/x2-x1
=-4-1/-3-1
=-5/-4
=5/4
=1¼
d.)m=y2-y1/x2-x1
=4-0/0-5
=4/-5
e.)m=y2-y1/x2-x1
=-4-0/0-2
=-4/-2
=2