Find two ratios equivalent to the ratio in exercise 1

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

How do i do this? i don’t understand

How do you determine whether a relationship represented as as graph is linear or nonlinear