Answer:
(-6,-18) & (2,6) -----------> 3
(12,6) & (-4,-2) ----------->
![(1)/(2)](https://img.qammunity.org/2021/formulas/physics/middle-school/ukxexrkoplrwscaxd96qbbkphc5fo6w2ur.png)
(5,-19) & (6,-23) ----------> -4
(3,4) & (3,9) ---------------> unidentified
(1,-10) & (2,-15) -----------> -5
(-1,8) & (3,8) ---------------> 0
(0,0) & (21,14) ------------->
![(2)/(3)](https://img.qammunity.org/2021/formulas/mathematics/high-school/54kd5otoayi7fslqp2ejx77tdkhh8ubevy.png)
Explanation:
Use this formula to find all of these slopes.
![m=(y_(2)-y_(1))/(x_(2)-x_(1))](https://img.qammunity.org/2021/formulas/mathematics/college/wdytxpxq579urepn831wtazj0i7y16uhnc.png)