Which pair of equations represents two perpendicular lines?
*PICTURES ATTACHED*

Question

Which pair of equations represents two perpendicular lines?
*PICTURES ATTACHED*

anonymous · Answer

attachment

anonymous · Answer

i've tried many times but can't get it:(

triciaal · Answer

do you know that the product of the slopes of perpendicular lines = -1

anonymous · Answer

yeah i think i knew that..

yb1996 · Answer

The last one.

Remember: perpendicular lines are identified when the slopes are negative reciprocals. So you would have to put the y one one side of the equation, and everything else on the other side of the equation.

On the last equation the slopes of both lines are -7/3 and 3/7. They are negative reciprocals because the numerator and the denominator are switched and multiplied by -1.

anonymous · Answer

ohhhh okay. thanks so much @yb1996

yb1996 · Answer

Your welcome

triciaal · Answer

well apply 

write each set of equation y = mx + b 
get the m's and multiply   do you get -1 

you should for d

let me know if you need to go through each one