Parallel & Perpendicular Lines - Opposite Reciprocals

Type the following sentence:

"Parallel lines have equal slopes"

Maybe write it on the top of your homework.

Type the following sentence:

"Perpendicular lines have opposite reciprocal slopes."

Maybe write it on top of your homework.

Are the following equations parallel, perpendicular or neither?
 $f\left(x\right)=\frac{2}{3}x+1\ \ and\ g\left(x\right)=\frac{3}{2}x+1$  

Are the following slopes parallel, perpendicular or neither?
 $m=\frac{-2}{3}\ \ and\ m=\frac{3}{2}$  

Are the following slopes parallel, perpendicular or neither?
 $m=\frac{-2}{3}\ \ and\ m=\frac{-3}{2}$  

Are the following slopes parallel, perpendicular or neither?
 $m=\frac{-2}{3}\ \ and\ m=\frac{2}{3}$  

Are the following slopes parallel, perpendicular or neither?
 $m=\frac{4}{7}\ \ and\ m=\frac{4}{7}$  

Are the following slopes parallel, perpendicular or neither?
 $m=\frac{4}{7}\ \ and\ m=\frac{-4}{7}$  

Are the following slopes parallel, perpendicular or neither?
 $m=\frac{4}{7}\ \ and\ m=\frac{-7}{4}$  

Are the following equations parallel, perpendicular or neither?
 $h\left(x\right)=\frac{-4}{7}x+2\ \ and\ j\left(x\right)=\frac{-7}{4}x+2$