John Johnson

Think of being continuous as drawing the line without ever lifting your "pencil".   A line is continuous on a closed interval if that closed interval does not have any breaks in it. The same goes f...

1. Общност
2. Study Group
3. Calculus: Point Continuity vs. Interval Continuity

No worries. I only understood what I explained to you in my last year of High School, so you should be fine. I'm taking Calculus II right now. Pro tip: Understand everything and don't just memorize...

1. Общност
2. Study Group
3. Equivalent expression practice problem help

When a number has a subtraction sign, it will always always always denote a negative number. That is because (from what I understand) that number has the subtraction operation and it is its own thi...

1. Общност
2. Study Group
3. Equivalent expression practice problem help

Are you saying sqrt(3)^6 or (Superscript)(6)sqrt(3)? If it is the latter, then all it means is what number to the power of 6 equals ? So, x^6 =3, or in other terms, 3 (6 squared) = x.

1. Общност
2. Study Group
3. Understanding square roots with coefficients

Hi.   You are looking at the problem incorrectly. It is actually (-7) + 1 = (-6). When you see a subtraction sign infront of a number, it just means the number is negative. That subtraction sign fo...

1. Общност
2. Study Group
3. Equivalent expression practice problem help

The cube root of a number is a number to the power of 3 that equals the number in question.   Ex. Cube root of 27? Or in other terms, x^3 = 27. So the question is asking to find x. The obvious ans...

1. Общност
2. Study Group
3. Cube roots

You shouldn't ask for the solution. You should know how to solve the problem. You will not be able to build more complex math knowledge without it. Take it from me. I wish I paid attention so that ...

1. Общност
2. Study Group
3. Problems in solving trigonometry questions

Create one at your school or somewhere face to face. Doing it here won't work because we are all on different levels. Unless you find people who are on your level. However, there is no point in stu...

1. Общност
2. Study Group
3. Study Group

Please link the paper.   Also, I wouldn't use free citation machines as they are sometimes outdated and they don't grab all the information, and sometimes grab the incorrect information, when citin...

1. Общност
2. Content Requests and Feedback
3. Citing Khan Academy in research papers

For the U.S, you will most likely have to take an English test firstly. You would then take the SAT's or the ACT or something of the equivalent. Here is an MIT application link for international st...

1. Общност
2. Study Group
3. How do I prepare for Engineering course?