Answer:
Part 1) A line joining points Option A
Part 2)
Explanation:
Part 1)
we know that
case A) A line joining points -------> does not describe slope
case B) A constant rate of change-----> is used to describe slope
case C) A proportional relationship -----> is used to describe slope
case D) A measure of change -----> is used to describe slope
Part 2) we know that
The formula to calculate the slope between two points is equal to
we have
Substitute the values