Question

A. -9/5 b. 9/5 c -5/9 d 5/9

Answer 1

slope = - $\frac{9}{5}$

using the points on the line ( - 4, 5 ) and ( 1,  - 4 )

slope = ( - 4 - 5 )/( 1 - ( - 4 )) = - $\frac{9}{5}$