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Another equation to expression hack that can be very helpful, for example the 3x-y= 12, you can give x a value and y a value so that the equation can be true . Ex: x=4 and y=0, the next step is to replace x and y with the previous values on the fraction and you’ll have 2 power 12 as a result
Guys, for the first hack.. my sat tutor taught me that when you get those types of questions don’t do any math! If it says 3x-y=12 then the answer will be the one to the power of 12! Quick, easy, and simple.
I LOVE CAT TOES that might not work in all situations. I would be careful applying a rule like that as it seems a bit too specific. It works here but the SAT loves to throw curveballs
You are very helpful. I take my SAT tomorrow and I'm just getting my last minute review in. I can tell you try hard to help your students. Greatly appreciated!
For those of y’all who are stressing out, I’m 100% with y’all. However, you can take this exam more than once and study better for the next one since you know what you’re dealing with. Only downside is the $40 price tag for each exam.
1:31 LOL I had this question on my practice test the other day and I was like "I'm overthinking this so hard." As it turns out, I was really overthinking it.
Swear I took that practice test last week and got 19 wrong. I didn't know about the equation to solve it without thinking a lot, and the explanation a teacher gave me didn't make much sense. My mind has literally been blown I feel so stupid now lmbo
@@ahmadyassin1955 I think you didn't understand when she placed a 3 in a side. She placed it there because 3-4-5 is a pythagorean triplet Im just saying this because I hope I can make math easier for everyone else.
For the first question you showed us, question 13, you could have taken the expression (8^x)/(2^y) and simplified it such that (a^m)/(a^n) = a^(m-n). Since 2^3 = 8, substitute that value for all values of 8 in the expression. Finally, you get 2^(3x - y). Because 3x - y = 12, we know the final answer is A.
Ok, you're actually dumb. There's only going to be 2-3 trig questions on the SAT(very easy, not trig graphs and identities) and you're going to get this one confused?! smh
I'm so happy because i have never done an SAT in my life, but now when i need, i discover it's not too difficult how i imagined. Thanks! I intend in few months a brazilian guy like me could stay in a american university!
The first one has a much easier solution (which is mentioned for half a second on the video): Just make the bases the same FROM THE BEGINNING. So 8^x/2^x becomes 2^3x/2^y and then use the rule shown, so it becomes 2^(3x-y) and you can see that you have 3x-y=12, so the answer is 2¹²
You made example 1 so much more difficult and harder to understand then it had to be. On the SAT that would take 2-3 minutes tops, when you can get it done in 15 seconds.
uh for the question on 4:36, I'm a freshman rn but that transferred from a different educated school. Will we have questions like that on the SAT if I plan to take it this year?
For reference there is an exponent rule that says you can subtract exponents of two numbers with the same base that are being divided. Meaning if you have a^5/a^2, you can subtract 5-2 and get a^3 becuase a is the same base and they are being divided. Having the same base is important. You can’t subtract exponents in something like 3a^5/a^2 because 3a doesn’t equal a. On the same logic since the goal of the problem is to simplify the expression and find its value, we have to subtract the exponents. However, we can’t subtract exponents from 8^x/2^y because the bases aren’t the same. So we have to make the numerator and denominator have the same base. In this situation it’s good to know that 8=2^3. With that we now know that if we make 8, 2^3. Then the new base for the numerator is 2. We can’t forget the x though. So we have to place it back. Here’s how we’d do that. 8^x=(2^3)^x. Exponent rules allow us to multiply the exponent 3 and x. This would give us 3x as the exponent. So with the new base in place 8^x= 2^3x . This would allow us to subtract exponents of the numerator and denominator because now they have the same bases.
for someone who didnt understand the first question, consider x = 1, and make a solution set, so u get x = 1, y = -9, substitute 2^y with -9, then use the exponents rule which is 2 ^3x+9, we know x = 1 so we get 2^3+9 = 2^12
Where was this notification yesterday :( Thank you nonetheless @supertutortv and Brooke! Your channel in general is so awesome and has helped me so so much with the college process (international junior here) and the SAT videos helped me loads to prepare for today's exam!
I've seen some teachers explain math and make the students learn the long way(i.e multiplication etc.) when there are actually multiple things do it but they tend to teach only one
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When teachers explain it, it looks so easy. However, on the SAT these questions are so frustrating.
@lmao yeah......Some of these tricks are learnt by JEE test takers ie.Indians in 9th- 10th grade
No dude in 6 th standard well I have taken the course and iam about to write advance next month
They are easy lmao
@@THEKING-fm9mi same in Brazil
as an international the math sat is really easy, it's the reading part that confuses me
any seniors taking the SAT again? oml October 5th
Mar Harmonizer over here fam
Here 🤚
@Faiire Platt saaaame good luck
sameeeeeeeeeee
me lol this is my last chance
When you learn more in a 10 minute video than a whole day of school
Mathis Anidioticsport stupid
"you can make them easy if you just know a little bit more about math"
*I don't know anything about math how am I supposed to do this*
exactly what i'm feeling at the moment
Good luck to everyone taking it tomorrow!!
Thank you
!!!
Thank you even though I’m taking on June 1st
Thank you 🥰
I'm taking it tomorrow 😂
I’m bout to get clapped on the math sections tomorrow rip
Calvin Groenewold same dawg
Calvin Groenewold it’s been a year whatd u get lol
F
update on your scores king 😤✊
I got clapped boys
Just in time for some last minute studying...
I feel so happy that I studied in CBSE school in India. I can literally solve these questions within seconds by applying easier concepts.
i swear im in icse ..i had the first few in like 8th and 9th
Meanwhile icse students be like
"Feel my presence mortal"
I am in cbse 😂 I can solve these questions in my sleep 😂 and these people are calling it " frustrating "
Any August 24th test takers? I am already freaking out
I got u bro
omg yesss
Dude I’m giving the October one and I’m stressed rn lol
@@jaybali3079 lol why, you have 3 ish months, you have time, dont stress
I have mine on August the 10
Another equation to expression hack that can be very helpful, for example the 3x-y= 12, you can give x a value and y a value so that the equation can be true . Ex: x=4 and y=0, the next step is to replace x and y with the previous values on the fraction and you’ll have 2 power 12 as a result
Please elaborate on the second part after the example.
Guys, for the first hack.. my sat tutor taught me that when you get those types of questions don’t do any math! If it says 3x-y=12 then the answer will be the one to the power of 12! Quick, easy, and simple.
I LOVE CAT TOES that might not work in all situations. I would be careful applying a rule like that as it seems a bit too specific. It works here but the SAT loves to throw curveballs
For instance what if it said four to the power of 6? That would also be correct any it’s not to the power of 12.
Whoops! Not the best hack I think 🤔(I meant his tutor’s no Brooke’s , hers is right)
@@peptobismolveins clowned
forgot your red nose and oversize shoes today huh
Good luck to everyone whose taking it on August 24th
Pray for me
Yessss
I’m taking mine for the first time literally tomorrow omg
Good luck
December 7th!! my second attempt to get a higher score T.T
Me tooooo~ two days left for me
이민석 good luck!!!
@@cosmicko6319 THANK YOU!
samee!! good luck guys
Same lmao I put off studying until now and it’s in less than 12 hours
You are very helpful. I take my SAT tomorrow and I'm just getting my last minute review in. I can tell you try hard to help your students. Greatly appreciated!
I just want to get a good PSAT score to earn scholarships wish me luck today and thank you Brooke for these videos.
I literally have mine in 7 hours
@@awasme Good luck! I am sure you will do just fine.
@@alwaysme_t Thanks! I think I did OK on it
@@awasme what did you get ?
"You too can solve these "hard questions if you know a little bit more about math" she said. I was wondering why I was failing.
For those of y’all who are stressing out, I’m 100% with y’all. However, you can take this exam more than once and study better for the next one since you know what you’re dealing with. Only downside is the $40 price tag for each exam.
ExtremeSalGamerz $40??? mine was $100!!
Mine was free lol
I get two free
Bird Plane LANE I’ve never heard of the test price being that high
I take the exam in egypt for 100$. Is it cheaper for certain nations?
1:31 LOL I had this question on my practice test the other day and I was like "I'm overthinking this so hard." As it turns out, I was really overthinking it.
4th Mayyyyyyyy Sat takers where u at ???😂
Here!!! Trying to stay positive.
Oh my godddd I’m about to go to the test center! Good luck everyone!
Shinata Isagawa Good luck!!
Let's get it!!!!
:((( here boiz
:))) im here because the sat is tomorrow...
August 24th squad where you at??
Good luck everyone👍
Benedicta Gyasi here!!! Good luck to you too!!
Ayeee
Smae tobya man
thanks boo
good luck to you all hopefully my dumb ass gets a 1300 or above
Swear I took that practice test last week and got 19 wrong. I didn't know about the equation to solve it without thinking a lot, and the explanation a teacher gave me didn't make much sense. My mind has literally been blown I feel so stupid now lmbo
Ordinary Things your not alone, I don’t understand half the things this woman sais
@@ahmadyassin1955 I think you didn't understand when she placed a 3 in a side. She placed it there because 3-4-5 is a pythagorean triplet Im just saying this because I hope I can make math easier for everyone else.
Ordinary Things I still don't get it. Can you explain?
This is pretty dumb that the test is made this way. The questions they teach around the world are completely different
I'm assuming you mean far harder?
@@yazanalnablsi9938 Yes a hell lot harder, but this type of question is actually the ideal necessary in my opinion
@@marceloaugusto2335 being an indian these questions are extremely easy
For the first question you showed us, question 13, you could have taken the expression (8^x)/(2^y) and simplified it such that (a^m)/(a^n) = a^(m-n). Since 2^3 = 8, substitute that value for all values of 8 in the expression. Finally, you get 2^(3x - y). Because 3x - y = 12, we know the final answer is A.
Yes that's what I do, I think that's what you're supposed to do anyway because they gave you 3x-y=12
SAT .. tomorrow !!
19 was too confusing, it made me cry
Ok, you're actually dumb. There's only going to be 2-3 trig questions on the SAT(very easy, not trig graphs and identities) and you're going to get this one confused?! smh
@@mr.techwhiz4407 that's rude
@@mr.techwhiz4407 a bit rude, but not wrong. There are going to be way harder trig problems, you should not be getting confused on this one
Imagine giving JEE advanced maths exam you will want to die then
@@anupamachoudhary😂😂 these American idiots don't know indian standard bro
okay i would've really appreciated this video having more math problems
We have more videos if you want more! We try to keep our videos 10 minutes or so or less per our channel watch patterns
I'm so happy because i have never done an SAT in my life, but now when i need, i discover it's not too difficult how i imagined. Thanks! I intend in few months a brazilian guy like me could stay in a american university!
june 1st where y’all at??
isabella jordan here
yuh 2 days out and i'm not feeling so hot
@@carterneuman2699 lmao same here praying some sort of miracle happens tomorrow
deadass taking this tomorrow and haven't studied
Daniella Francis ‘studying’ 30 mins before! LMFAOOOO
Upgrade your credit scores,sat scores, test scores, IELTS scores, and clear your medical or evident record. check her out on Instagram @507lane
The first one has a much easier solution (which is mentioned for half a second on the video):
Just make the bases the same FROM THE BEGINNING. So 8^x/2^x becomes 2^3x/2^y and then use the rule shown, so it becomes 2^(3x-y) and you can see that you have 3x-y=12, so the answer is 2¹²
omg thank u so much this was so useful
November 2019 gang... only 1600s
If only
Any seniors taking literally the last possible December SAT?
I remeber when I had these two question on my practice test and I was like "wtf..." *dies*
I’m taking it tomorrow and I know I’m gonna bomb the math section
Same honestly
Same
Zoe 🌊 same
Lol! Ughh I'm taking mine tomorrow.... please pray for me. I'm soooooooooooo nervous x0000
How did it go?
How'd you do?
you made the questions look way harder than it should
first one is really easy :
write the 8^x as (2^3)^x
then use the fact that a^m/a^n = a^(m-n)
then the expression becomes 2^3x-y = 2^12
Aditya Badrinath oh wow! Thanks :)
Exactly what I did
You should never become a tutor because you missed so many steps that it took me 6 minutes to understand how you did it
You basically did what she did just substituted the y at a different time
@@therealwaseem sounds like a you problem. This is a much easier method. It's how I'd do it, and I got a 1590.
November 2nd SAT anyone?
Streak me lol i’m so nervous
@@kejsida4921 Yah same
My parents finna disown me if I don’t get a 1500+
I’m taking the SAT October 5th and I need to catch up with all during this couple days. I take English and math classes, but what else can I do more?
For my colleagues procrastinators - video starts at 1:05
any taking it this late because all your test dates were canceled from "corona"
taking it tomorrow
@@loganvaldez889 me too eek
Nope not for me stupid school
Taking it tomorrow and didnt expect it to be like this
You made example 1 so much more difficult and harder to understand then it had to be. On the SAT that would take 2-3 minutes tops, when you can get it done in 15 seconds.
SAT tomorrow wya
Anyone here for October 5 and it’s the night before
Took last week, so nervous
How was it?
lol lol 790 English, 760 math
Super duper fantastic , yeah good , very nice , happy wrappy
Who else is taking it tom???
Wesley Stringer me
@@duncanwallace3044 Me too mate.
Good luck!!
me buddy! good luck tmr everyone who is taking it
Did it help
uh for the question on 4:36, I'm a freshman rn but that transferred from a different educated school. Will we have questions like that on the SAT if I plan to take it this year?
anyone taking the test tm on Nov 7th?
It's late at night around 1 am and I am just preparing for the exam starting at 8 am the same day. I hope this helps 🙏
Thank you so much I’m cramming for tomorrow your videos are so helpful
same
November 2nd SAT wya?
Sat seems pretty easy
MY DECEMBER GANG WHERE YOU AT
IM HEREEEEE
yeah fml im dead
Yup
:(
I'm literally taking it in 3 hours D:
Ok I am a 9th grader, and she makes it look so easy and when you try it it is hard.
cos(90-x) = sin x That's simple rule, I learned it when I was in 9th Standard.
yes, most people do, but by the time you take the test as a junior or senior most people totally forget the rules they learn in 9th grade.
December 7th 2019 gang
yuhhhh🤪
😭😭
Let's do it!
Less gooo 😭
@@BowlofOsCodm you can do it bro
for people living in turkey like me, those type of questions are the ones that are the easiest we are dealing with
AUG 29 squad wya????
Had to check if my playback speed was 1.25! Thanks a lot for the video, I need all the help I can get
I am in class 9 and I got both of them right in under 3 minutes... Not bad!
I needed the first one :)
I like your enthusiasm. Thank you.
Very useful tricks
I’m a freshman and I have no life.
This is very useful
I take mine in an hour........yeaaaa
I was so happy that I was able to solve both of these problems. I'm not very good at math, so this gave me some confidence.
Wait at 4:08 how did the numberator 8 (x) became 2 (3)x or 2 (cubed x)
For reference there is an exponent rule that says you can subtract exponents of two numbers with the same base that are being divided. Meaning if you have a^5/a^2, you can subtract 5-2 and get a^3 becuase a is the same base and they are being divided. Having the same base is important. You can’t subtract exponents in something like 3a^5/a^2 because 3a doesn’t equal a. On the same logic since the goal of the problem is to simplify the expression and find its value, we have to subtract the exponents. However, we can’t subtract exponents from 8^x/2^y because the bases aren’t the same. So we have to make the numerator and denominator have the same base. In this situation it’s good to know that 8=2^3. With that we now know that if we make 8, 2^3. Then the new base for the numerator is 2. We can’t forget the x though. So we have to place it back. Here’s how we’d do that. 8^x=(2^3)^x. Exponent rules allow us to multiply the exponent 3 and x. This would give us 3x as the exponent. So with the new base in place 8^x= 2^3x . This would allow us to subtract exponents of the numerator and denominator because now they have the same bases.
Thanks, I got a 1470 on the SAT :D
Hell yeah. Do you have any wish to go to an ivy league college?
These questions are super easy...
so what's the answer to the second question??
is it sin(x)
or 4/5 ?
@@stm4641 4/5
Isn’t substitution taught in basic algebra in systems of equation?
Can you please do a video about the best test optional colleges?
for someone who didnt understand the first question, consider x = 1, and make a solution set, so u get x = 1, y = -9, substitute 2^y with -9, then use the exponents rule which is 2 ^3x+9, we know x = 1 so we get 2^3+9 = 2^12
Here’s a tip:
sin x = cos(90-x)
So cos(90-x) = 4/5
Just a lil shortcut
taking SAT oct 16
What about the best SAT math and English books, what do you recommend
Where was this notification yesterday :(
Thank you nonetheless @supertutortv and Brooke! Your channel in general is so awesome and has helped me so so much with the college process (international junior here) and the SAT videos helped me loads to prepare for today's exam!
Do you give virtual classes?
I've seen some teachers explain math and make the students learn the long way(i.e multiplication etc.) when there are actually multiple things do it but they tend to teach only one
I really wish school came easy to me.
OCTOBER 3, 2020 GANG
It's really incredible 😉😉😘😘
Everyone gansta till the English section comes lmfao
December gang wya?
we get it, you know the question instantly
Damn imma take it tmr😂
Alex Salazar u right
Anyone for march 14
Is this for england year 6
Iqra Umar nope don’t think so we haven’t studied these type of stuff they do there’s in America in yr7
I have SAT test in December
Excellent and clear explanation
for the math section is it wise to first do the free answer question first then do the multiple answer questions?
OMG! I have SATS week starting tomorrow the 13th may 2019 .
October 16th squad
Good luck to all May 4th SAT test takers!
I got 7 hours till test starts in making good life decisions
i'm with you bro
october 3rd gang?
how did you determine where the 4 and 5 goes how did you come up with 3 from 90and whats x