Respuesta :
Answer:
undefined
Step-by-step explanation:
The slope of a line is found by
m = (y2-y1)/(x2-x1)
= (-9 -10)/(-9 - -9)
= -19/ (-9+9)
= -19/0
We cannot divide by zero so the slope is undefined
Answer:
undefined
Step-by-step explanation:
The slope of a line is found by
m = (y2-y1)/(x2-x1)
= (-9 -10)/(-9 - -9)
= -19/ (-9+9)
= -19/0
We cannot divide by zero so the slope is undefined