Question

What is the slope of the line that contains the points (5, –9) and (5, 9)?

Answer 1

You will find it by putting it in this formula y2 - y1/ x2 - x1 this would be 9+9/5-5 this would be 18/0 you can't divide 18 in 0 so the answer would be unidentified or an improper fraction