Rachel Welch

1. Communauté
2. Study Group
3. Preparing for AP Calculus AB

Many people make calculus sound scarier than it really is so they can sound "cool". I was terrified to learn anything about it when I went into class. Worry not, because calculus is just time consu...

1. Communauté
2. Study Group
3. Taking perfect squares out of square roots.

You are very welcome! If you need help with anything else please let me know. Best of luck in further math endeavors! 

1. Communauté
2. Study Group
3. Taking perfect squares out of square roots.

You're welcome! And you got your answers right! I like how you gave multiple ways to factor out squares on the second example. In most cases you will want to simplify completely, meaning you would ...

1. Communauté
2. Study Group
3. Taking perfect squares out of square roots.

So let's say you have sqrt(20). The first thing to think about are the factors of 20. When thinking about the factors, look for a pair that has a perfect square.  Factors of 20: 1 and 20 2 and 10 4...

1. Communauté
2. Study Group
3. Preparing for AP Calculus AB

Anytime! Best of luck.