What is the slope of the line if it is perpendicular to a line whose slope is

a) [[$ 1 $]]?

Answer: The slope is .

b) [[$ 3 $]]?

Answer: The slope is .

c) [[$ -2 $]]?

Answer: The slope is .

d) [[$ -3/4 $]]?

Answer: The slope is .

e) [[$ -7 $]]?

Answer: The slope is .