Question

The two lines y=2/5x+9 and y= -2/5x-9 are:

a) parallel
b) perpendicular
c)neither

Answer 1

neither

Explanation:

parallel lines have the same slope and different y-intercept

perpendicular lines have the reciprocal as slopes( 2/5 and 5/2)

as these slopes have neither the answer in NEITHER