What is the slope of the line through (-8, 9) and (5,9)? If

Last updated: 7/16/2022

What is the slope of the line through (-8, 9) and (5,9)? If the slope is undefined, type undefined. What is the slope of the line through (-6, 9) and (-7,10)? If the slope is undefined, type undefined.. What is the slope of the line through (-10, 1) and (-10,2)? If the slope is undefined, type undefined.