I have shoot it . so, hope this help u.
Partial products and multiplication
Answer:
Step-by-step explanation:
slope = y₂-y₁/x₂-x₁

1-7 = -6. Here if two numbers have different sign, then subtract and put the bigger numbers sign for the result.
-400-(-700)
-140+700
= 300
I hope that's help ! If you have question(s) please let me know