Question

Line CD contains points A (4, −7) and B (4, 8). The slope of line CD is

Answer 1

Answer:

Undefined

Step-by-step explanation:

Slope of CD

$= \frac{8 - ( - 7)}{4 - 4} = \frac{8 + 7}{0} = \infty$

Hence, Slope of CD is undefined.