Slopes of Parallel and Perpendicular Lines (GMAT/GRE/CAT/Bank PO/SSC CGL) | Don't Memorise

[@InfinityLearn_NEET]

If two non-vertical lines are perpendicular, the slope of one is negative reciprocal of the slope of other ✅To access all videos related to Co-ordinate Geometry, enroll in our full course now: infinitylearn.com/cbse-fullcourse?KZbin&DME&BPgM3q6e-bk To watch more Coordinate Geometry videos, click here: bit.ly/CoordinateGeometry_DMYT

[@SahilGaming-vo6jp]

Legend teacher

[@ayshakhan4896]

I really like your explanation thanku so much may u reach the point of excellence always aameen

[@prettythang3038]

THANK YOU 😭😭💖💖💖

[@Shanvi_Reddy]

Initially, I saw one video on geometry topic. Now I can't stop my hand to search a particular topic over your videos.

[@Zakaria.Hossain]

Appreciate the effort behind the video. Love you guys. 😍😍😍

[@khnnazir9266]

These videos are splendid...really... It helped me a lot

[@aryanpathania894]

Mam i will give you one short tip i think that help. Make short videos as well and with easy information and example that anyone understand. Thanks and you teach excellent

[@leeroypancake]

This Indian woman explaining geometry in English is so much nicer to listen to and absorb than an American male speaker for some reason

[@jobless17jr]

true

[@chiramana_]

@Don't Memorise, How about the product of slopes of x and y axes? Their product is not -1 even though they are perpendicular to each other.

[@taniya2660]

How did you find the coordinates of CD? You said the perpendicular line will look like that but how did you find exactly how the perpendicular line will look like?

[@sarathnambiar8976]

What an irony, the channel's name is "don't memorise", yet they ask us to memorise m1*m2 = -1 and not explain how we arrive at such a conclusion.

[@DianaLlovitmacam08]

It’s actually common sense when you think about it. In order for a line to be perpendicular they have to be going at the same rate but at different directions, that is how we get the 90 degree on all angles. So multiplying both numbers should lead to -1, if one number is positive then it’s perpendicular should be negative and vice versa, if the y value goes up twice like a slope that is 2 then it’s opposite should be x moving twice and y only once which is the 1/2 slope and vice versa.

[@sarathnambiar8976]

@@DianaLlovitmacam08 You are absolutely right mate. However, not everyone has an intuitive mathematical thought or common sense like that of yours, and unfortunately, I fall into that category. Hence, my motive was to only bring the channel's attention to the need for the explanation, as it would help others like myself.

[@DianaLlovitmacam08]

@Sarath Nambiar I see where you are coming from and I agree with you. They really should explain it so my comment wouldn’t be necessary. Have a nice day!

[@sarathnambiar8976]

@@DianaLlovitmacam08 Thank you for the explanation earlier, hope it helps others with the same doubt. Have a great time ahead!

[@sonalmajithia3276]

@@DianaLlovitmacam08 can you please elaborate, Maybe with an example?

[@salmailovethesongdargazanl5203]

This helped me a lot i am practicing form math test on Sunday

[@InfinityLearn_NEET]

We are really happy Salma to hear that it was helpful for you. We are glad that you understood the concept. You motivate us to do better. Keep watching our videos : )

[@ayushjha4166]

Amazing video 🙏

[@Maria-cr3tb]

I don't understand m3*m4 = -1 could you tell me how its become -1

[@DANIELDALLAS_MATHs]

Just use the transformation theory - > rotation 90 degrees

[@alkamishra9974]

See the khan Academy video on this

[@DianaLlovitmacam08]

It’s actually common sense when you think about it. In order for a line to be perpendicular they have to be going at the same rate but at different directions, that is how we get the 90 degree on all angles. So multiplying both numbers should lead to -1, if one number is positive then it’s perpendicular should be negative and vice versa, if the y value goes up twice like a slope that is 2 then it’s opposite should be x moving twice and y only once which is the 1/2 slope and vice versa.

[@Anonymous-8080]

@Saad Sohail don't memorize😂

[@ashishsinha9035]

Outstanding !

[@meganchristine8448]

Its good persist with the effort ,that's what l can tell u

[@kadharhussan1940]

Excellent

[@chrisrose375]

Does bisector mean that the line will intersect the original line at exactly the midpoint? Bisect only means to cut in two, it doesnt mean two equal halfs. Or in this case does it mean 2 equal halfs? In order for something to pass through the midpoint it must "Cut" the original line equally in two.

[@unfrozenleaf970]

Christina Rosette it's not relevant whether or not it cuts the line in exact halves. That is irrelevant to finding the answer

[@wtstickney]

Yes, a bisector will cut something in half (exactly two congruent pieces). It is not necessary that the bisector is itself cut in half, however. In the example that she uses, the line segment AB is bisected. It is not possible to bisect an infinite line as there is no way to locate the midpoint though it is always possible to find a perpendicular line.

[@senthilkumarsugumaran4231]

Thanks a lot Guru! I really feel this video tutorial useful for GRE preparations!

[@InfinityLearn_NEET]

You're welcome Senthil! For ALL GRE Quant videos, visit our website here: dontmemorise.com/course/index.php?categoryid=33 Happy Learning :)

[@ruelagnes4277]

this one is gold

[@hydeabel668]

Thank you so much! Very clear and simple. Love ur voice btw 😘

[@anil-1174]

Good one

[@nareshmehta4043]

Very good👏🎬👏🎬👏🎬👏🎬👏

[@yaprak2316]

Thanks a lot for your perfect videos 😍♥️♥️♥️♥️

[@raja318]

Mid point of line AB are (2,1) and as per previous video slope of line mid point m = -y/x. In this case slope of line AB should be m = -1/2? but it is derived as -2?

[@diycraftsmaker9518]

Thank you😘

[@mmashortz1689]

Diy Crafts maker you are sooo pretty ;*

[@sunriseworldschool..5414]

It was quite easily understood Awsm video

[@sanabinthisalam377]

Your presentation is very perfect and catchable

[@anikchandradas5328]

Amazing!

[@InfinityLearn_NEET]

Thank you so much Anik for your appreciation. We are glad that you understood the concept. Do support us by subscribing to our channel. 👍👍

[@Hongsen]

Why does the product of slope of two mutually perpendicular lines is -1 ?

[@wtstickney]

Think of it this way: perpendicular is a kind of "opposite" so, your rise becomes run and your run becomes rise. Also, one will have to go up hill and the other down. In the example used, -2/1 * 1/2. No matter what perpendicular slopes you have, the product will be -1.

[@hemanksolanki2762]

Fights by CNBC

[@innocentrukanzakanza4239]

​Rukanzakanza I.The rise and down expalanation says it all.

[@alkamishra9974]

I recommend khan Academy video for you

[@ashford09]

I'm confused as to why you do Y1-Y2/X1-X2 instead Y2-Y1/X2-X1?

[@wtstickney]

It doesn't matter. The order is arbitrary. You will either end up with -2/1 or 2/-1. The final answer for the slope of the original line segment is -2. All that matters is that whichever y you use first, you must use that x first, also.

[@tajmuhammad6496]

Please translate this chapter in Hindi also thanks

[@gianvaliente2302]

i know what is perpendicular is it is a right angle

[@dreadpiraterobertsii4420]

10/10

[@dglife9883]

Nice 👍

[@easylearnmath1364]

It is clear thanks teacher

[@nabilabarnabas2261]

people watching 3 hours before exams are legends 😂

[@homey45]

Today's my geometry I am in std 7th and watching her all videos Edit:my exam starts at 9 and writing at 8:30

[@Lily-ow5wm]

@@homey45 did it go well

[@sahidahmed2668]

Thanks for your help from Al Habib Ahmed from Manipur

[@DinaDina-on7rx]

I

[@ramyaraikarraikar499]

Good

[@jatinsharma3792]

if you have slop -2 and if we will apply your trick ( which you have been explained in your last 5th video - If we have Mid point so for slop we can apply directly formula slop = (-y)/(x) ) - with this trick i will get Mid point (1,2) not (2,1). HOW is that possible then? .

[@jatinsharma3792]

previews question was - P ( 2, -3 ) is the mid point then slop "m" would be 3/2 answer because a/c to formula slop m= (-y)/x.

[@sharfazhameed6382]

Well explained

[@ushakochar6518]

I am practicing for geometry

[@mdyousufali3793]

Thanks heaps.

[@InfinityLearn_NEET]

You're welcome :)

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Yo I love this math thing I watch it all the time

[@jobless17jr]

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[@jelliedosprey]

Say it with me per-pen-dicular it’s not fucking hard

[@md.ibrahim6771]

This is amaizing.

[@ninjauserninja4818]

Thank you so much I understand all the topic

[@teddyoscar1]

picks has changed his life at night time Jayhawks should be an awesome game but not like it was just fun

[@gauridube4411]

I don't know anything of perpendicular😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵😵

[@shashikeshranjan7511]

What is the meaning of slope

[@dlmlgs2ndchannel174]

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[@dlmlgs2ndchannel174]

Its me

[@pavanluckey9640]

Good👍

[@bhajuramlihana1412]

Thank you so much 😭😭🥰💖

[@yasminatouma5764]

Simple and clear :) Thanks!

[@InfinityLearn_NEET]

You're welcome! Happy Learning :)

[@adityaranjan130]

Thank you so much mam

[@InfinityLearn_NEET]

You're welcome, Aditya. To view more videos for free, register on our website: bit.ly/DontMemoriseRegister Happy Learning :)

[@pradeep8841]

very nice, subscribe is must...

[@ronaldonewland5343]

Iove you mathematics

[@indalmaurya9653]

The angle between two lines in180° .both lines are parallel or perpendicular

[@DANIELDALLAS_MATHs]

They are parallel. It is the same as for lines coinciding which have 0 angle in between them

[@chiramana_]

They're perpendicular as their angle is 180° which is a straight angle. It will be easier for you to understand, if you just draw them.

[@md.omorfaruk2774]

thanks a ton...

[@Robloxwithjazi]

Thxs so much😃😄

[@harsh__tube]

Awesome

[@InfinityLearn_NEET]

Happy Learning :)

[@ahsaanm6063]

thankyou

[@aldrinadolfo2420]

the other one is intersecting line

[@ShahulHameed-yu3hh]

This video is more helpful

[@吳凡-z7j]

goodjob

[@unicorn4227]

Indian?

[@anitayadav5188]

So nice video but in Hindi

[@divyashanmu6958]

Not good😡

[@nikitasworkshop2680]

ok gud for u

[@jobless17jr]

@@nikitasworkshop2680 no bad for good

[@Dxb_Gamer4312]

Thank you😭😭😭😭😭

[@sarikakumari4473]

What is -1

[@knifecat8603]

How did she get 0 at the end?

[@alkamishra9974]

1=1/2×2+b 1/2×2=1 So 1=1+b b=1-1=0

[@pillow3382]

ARE YOU AN EUROPEAN?

[@hiitsme608]

Indian..

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If I had a hack I will give this channel infinite likes

[@ryangrencio9075]

It's so hard to math

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Ausm

[@InfinityLearn_NEET]

Thank you Thomas for your appreciation.😊 Do support us by subscribing to our channel. 👍👍

[@rain_jay1296]

CAN SOMONE HELP I DONT UNDERSTAND

[@jelliedosprey]

How about you stop trying to teach me math and just make me a god damn samosa

[@naheedmurad4445]

Mame in the perpendicular line you have make the wrong angel

[@geethakabi9444]

Thank u so much

[@0110-d6k]

No entiendo :,)

[@rudipittaway8800]

.....????

[@nuhaminafework3634]

How come -1-3 is -2 it's should be -4

[@wanganson]

I don’t understand why M3 times M4 equals -1.

[@senseimoo366]

We dont question math, math quesions us

[@navrajdhinsa5642]

@@senseimoo366 LOL

[@ravineemkarolijoshinainital]

It is observable that the slopes of 2 perpendicular lines are always negetive reciprocals of each other. And when you multiply negetive reciprocals the product is -1. For example, 2 * (-1/2) = -1 , 5 * (-1/5) = -1 You can check it on a graph with 2 perpendicular lines too. The product of both slopes will always be -1.

[@ishitapapnai681]

Thank you so much your saying tectnic is very good👍👍👍👍

[@eraldlekaj2265]

m= Dy/Dx (delta y over delta x) is equal to y2 - y1/ x2- x1 on your example you did the opposite

[@novady5905]

true

[@gurmansingh3361]

Thanks

[@InfinityLearn_NEET]

You're welcome, Gurman. Happy Learning :)

[@Candace.W]

Bad

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Good question

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wut?

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:

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dhum thatha

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I didn't understand the question..

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...WHAT?👁👄👁

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Ninjas should not learn math.

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Whatchu mean dnt memorize