ACT Math Review: 12 Concepts & Strategies You MUST Know For A Perfect 36

Рет қаралды 28,371

Күн бұрын

Looking to significantly improve you ACT Math score in 20 minutes? Watch expert tutor & perfect scorer Matthew Stroup cover 12 advanced concepts & question types that you must know if you are looking to score a perfect 36 on the ACT Math Test or improve your math score with some last minute study tips. If you are aiming for 30 and above on the December ACT, this video will help you get 30+ on your ACT Math and covers many of the most commonly tested topics on the ACT that students never learn in school. Matthew will teach you the strategies and show you the formulas you need to memorize for questions on the ACT covering multiply matrices, ellipses, logarithms, trigonometry, law of cosines, law of sines, geometry and units, vectors, factorials, probability, repeating powers, special right triangles, and more!
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If you watch this 20 minute video and memorize the equations, you will surely improve on the ACT Math section - and it may contain the topics to help you improve your score and get a perfect 36 on the ACT Math Test.
Please let me know if you have any questions about ACT Math or any content that you would like me to cover in my next video.
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If you are looking to learn everything tested on the ACT Math Test, including all the topics in this video and many many more, please check out our Ultimate ACT Course and its free trial here www.preppros.io/act-course.
0:00 Introduction
0:43 Multiplying Matrices
2:36 Ellipses
4:16 Logarithms
6:12 Law of Cosines
7:39 Law of Sines
9:58 Geometry and Units
11:09 Vectors
13:05 Factorials
14:55 Probability in A Table
16:50 Repeating Powers
19:02 The Discriminant
20:18 Special Right Triangles

Пікірлер: 30

@preppros Жыл бұрын

Want the best ACT Math Book ever written and a video course to go with it?? Get a copy of the PrepPros Complete Guide to ACT Math (link in video description) and sign up for my ACT Math Course, which has 30+ hours of videos and over 1,250 practice questions. The free trial has 3 full chapters of the book included: www.preppros.io/act-math-course. Improve your ACT score by 3 points, GUARANTEED! My Ultimate ACT Course has 70+ hours of videos where I teach you everything you need to know to crush the ACT. Get 3 hours of FREE tutoring with me in the Ultimate ACT Course Free Trial (no credit card needed): www.preppros.io/act-course.

@user-xb6pb1jt3k 20 күн бұрын

Thanks for making this video! Definitely provided a good review of what to expect on the more difficult questions.

@Kubblixiee_ Жыл бұрын

Thank you so much for this video!!

@MadeGleez 22 күн бұрын

' Thank you

@otisarmyalso 11 ай бұрын

1ft not 3yards but 3feet 1yard

@preppros 11 ай бұрын

Yes. 1 yard = 3 feet. I said that backwards in the video. Thanks for pointing out the mistake.

@freakyunderdog 9 ай бұрын

Thank you for the video, amazingly helpful! Just want to point out something for the question of repeating powers (18:41), as I used quite a different approach and don't know if it's right of wrong; 7^217; we can rewrite the exponential equation as: 7^217 = 7 ^(216+1). And since 216 is a multiple of 2, then all we have to do is is move 1 step below 7^2 =49 to find 7^3= 243, and our answer would be 3 as the unit digit/the ones unit. Is this reasoning right? Thank you so much!

@preppros 9 ай бұрын

No, your reasoning is not correct and will get you the wrong answer. Since the pattern repeats every 4, you have to look for a multiple of 4 not a multiple of 2. For 7^216, 216 is a multiple of 4, so 7^216 ends in a 1. 7^217 is the next on in the pattern, so it ends in a 7. Make sure that you always look for a multiple of 4 in repeating powers questions.

@freakyunderdog 9 ай бұрын

@@preppros Thank you so much!

@arunvelkumar5459 3 ай бұрын

18:41 could you also do 217/4 is 54 R 1 and then go back to the original 4 and say it will end in the same digit as 7^1

@freakyunderdog 9 ай бұрын

I have another question please: Speaking of Ellipses, does the ACT test us in more than the equation; like vertices and FOCI and eccentricities...? Thank you!

@preppros 9 ай бұрын

Most questions are focused on the equation. You should know how to find the vertices. For the Foci, you just have to generally know where they appear on an ellpise, but you do not need to know the equation for how to find the exact points. The answer choices make it clear which once is correct for any foci questions that have appeared on the test in the past. You don't need to know eccentricities.

@freakyunderdog 9 ай бұрын

Thank you so much@@preppros Another question please; for trig in the ACT, there's only laws of Sin and Cosine right? no tangent or something additional.

@preppros 9 ай бұрын

@@freakyunderdog Nope. Trig topics are basic trig, inverse trig functions, graphing sine, cosine, and tangent functions, law of sines and cosines, and the unit circle.

@daredevil4768 Жыл бұрын

The last question why is it, not C? Because the 4:8:12 ratio is double and triple so if the shortest side 6 why the next side is not 12? Because 8 double 4. Can you explain plz?

@preppros Жыл бұрын

The 4:8:12 ratio is for the angles not the side lengths. The 4:8:12 ratios tells us that we are looking at a 30-60-90 right triangle. Then, we have to use the proportions of side lengths in a 30-60-90 right triangle to find the side length not the 4:8:12 ratio. Watch me explain it again and then it should make sense.

@daredevil4768 Жыл бұрын

@@preppros thx, I understand it now

@Gaiya-ofearth-of-course 10 ай бұрын

When I plugged in (170sin(65))/(sin(58)) I got 141.569, not 182. Is there something wrong with my calculator? 9:49

@preppros 10 ай бұрын

Your calculator is in the wrong mode. Calculators have 2 modes: radians and degrees. Since we are using degrees in this calculation, you calculator needs to be in degree mode. If it is in radians, it will give you the wrong value.

@simartbm9783 6 ай бұрын

@@preppros how do you switch it to degree mode

@preppros 6 ай бұрын

It depends on the calculator you have. For most scientific ones, there is a RAD/DEG button that switches the modes. If you have a TI-84, press MODE and then you will see Radian and Degree in the 3rd row. @@simartbm9783

@Luh.mxri_ 5 ай бұрын

On the vectors section how does (x-1)(x-2)(x-3) get to 2(1)?

@Luh.mxri_ 5 ай бұрын

I mean factorials my bad

@preppros 5 ай бұрын

It's just changing to 2(1). It's showing a continuation until we get all the way down to 2 x 1. For example, 7 factorial is (7)(6)(5)(4)(3)(2)(1). For the factorial of any number, you start with that number and the subtract 1 repeatedly until get get to 1. And then you multiply all those numbers together.

@kanishkpaidimarry9050 18 күн бұрын

I made the free trial account and I got the course, but I couldn't find the 50 geometry questions

@preppros 18 күн бұрын

Yes, the geometry is no longer included in the free trial. We changed it to include the matrices chapter instead.

@louisjohnson628 3 ай бұрын

none of these were on the preact I took

@preppros 3 ай бұрын

Yes, that is quite possible. The are TONS of math topics tested on the ACT, so any one test will not include all the concepts/topics that can appear. Also, the preACT is an easier version of the ACT compared to the regular ACT, so it is less likely to include the most difficult or advanced math topics.

@MadeGleez 22 күн бұрын

' Thank you