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Thanks for the great video. On the scale factor question, I think you need to call them similar rectangular prisms; rectangles cannot have volume. That threw me for a loop at first until I understood what you meant.
Test 1. One of the new questions after they updated the second module. Let me know if there was a particular spot that I lost you and happy to see if I can clarify it.
@@preppros I was also confused on that question. You lost me when you were talking about multiplying 48 and 27. I didnt quite grasp the wording of the question and sitll do not understand why you multiplied those
Since it says increases by a factor of 27, it means it is 27 times greater. So I am using two points (0, 48) and (c, 27*48) to solve through for the c value. Hope this clears it up!
@@preppros I see now, you just substituted x as c and then scaled by 27 to match it. Your book is great too! The y1~mx1+b and table trick is gonna be a life saver
@@IndyCampbell@IndyCampbell It says ac> k. k (1521 or less) is not ac (1522 or greater). You plugged in the least value of k when it is supposed to be ac in the equation. I hope this helps!
I wonder about the question at 15:15 cuz the text said both keywords like "prolonged" and "brief period", but C seems to be more correct because it was more related to the sentence "melting a frozen environment" in "short-lived". In contrast, question B only discussed gradual changes, which doesn't really link to warm and wet weather conditions. Can someone explain to me pls (my opinion)
Hey. This was really helpful but for the second question, they said the least value of ac and 1521 is less than ac, not 1521 is less or equal to ac so I think the answer should be 1522.
they asked for the least possible value of k, not ac. It would be 1522 if they asked for ac. The wording can seem a little tricky, so read it carefully.
just a tip to not get confused (because I get dtuck on these too dw) is that if you match it up to the ac>k then 1521 would just be the filler for the little inequality they give! hope that helps
great video man. but how can you predict questions on the SAT? is there any periodicity or pattern in which collegeboard creates questions on official exams? has there been any precedent for this?
College Board recently updated the bluebook practice tests with new questions. Chances are, they did that to prepare people for similar questions on the actual test
For #8, how do you make sure that the c=6 you get in equation A can be directly apply to equation B? (I also got c=6 in equation B if plug in the number (c,1296) but how?)
The answer would only be 1522 if they were asking for ac. Since you looking for k the answer would be 1521 since the inequality tells us that k = 1521. The whole least possible value thing is just there to trick you.
Is there another way to solve the last math problem you showed with the surface area and volume of those 2 rectangles without memorizing the table from your book? I learned to do volume1/volume2= side length1^3 / side length2^3 and cross multiply to solve from there but that didn't work out for this problem because you can't determine the rectangle's side lengths.
the way i solved it was volume1/volume2 = (surface area1/surface area2)^3/2 then did (volume1/volume2)^2/3=surface area1/surface area2 and i cross multiplied and solved for k, hope this helps!!
Hey I had a question. I scored a 790 on maths on the june SAT but a 670 on the english section, so I was thinking to mainly focus on the English section this time so that it will be superscored when I send the scores to the colleges. So can you suggest me any strategy so that I can keep english my prime focus and at the same time don't forget the math concpets? BTW your videos helped me a lot to get the high score in maths , Thank you so much
use the college board question bank and sort it to English only questions, you can sort the questions based on difficulty level there are 500+ questions you can practice with!!
If the ac was less than 1521, the question might have solutions. I'm pretty sure in questions like these, if they don't give you any more restrictions to the problem, you should just use what the discriminant gives you. I think is question is poorly worded in the first place, but since it says The LEAST POSSIBLE VALUE, you should just use the solution the discriminate gives you, because its a clear number that you get. Of course on other types of problems like this, there may be rules where you need to add one or subtract one for your answers, but if you follow your logic, there is an infinite number of solutions for K that is less than 1522.
Could you explain the scale factor question again, I dont really understand it. Maybe make a seperate video or short about it? going more into depth or something or another way of approaching it or looking at it.
No, it is not. If you inserted a lower value for k, for example 1500, you would have the equation appear as ac>1500. Since ac cannot be any value between1500-1521 for the equation to have no solutions, it has to be at least 1521. K could be a value greater than 1521 for the equation to hold true, but the question asked for the minimum value that k could be for the equation to hold true for no real solutions.
Hey I'm currently in the 1480-1500 range looking for where I can find the hardest SAT Maths and R&W questions to help me get a perfect 1600. I'm currently doing your free trial but I wanted to ask if I subscribe to the full course will I get a perfect score (I'm taking the exam in August)
hello! i just bought your SAT math book and found out there is another book for the digital SAT, is there a difference? would i have to buy the digital SAT one after solving the one i have?
Yes, you need the new Digital SAT Math book for the Digital SAT. You should return the one you bought and buy the new one for the Digital SAT, as our old book will not properly prepare you for the math on the new Digital SAT.
No one outside of Collegeboard will know, but I anticipate you will only see 1-3 of the questions testing you on accuracy. After this test, we will have a lot better of an idea moving forwards.
No idea how they would get C if they know what they are doing and the answer is A straight from a collegeboard test, so I would not trust that video or channel
