Answer:
Slope is -1
Step-by-step explanation:
Slope equation
[tex]\frac{y_2-y_1}{x_2-x_1}[/tex]
Given points
(1, -2) (-20, 19)
Sub points into equations
[tex]\frac{19-(-2)}{(-20)-1}[/tex]
Solve.
[tex]\frac{21}{-21}[/tex] = -1
