The SAT is coming up! Are you prepared? If you need to brush up on some of your math skills, then read on! In this lesson, we’ll go through 7 Important SAT Math Topics. On the SAT, there are 58...

When we use statistics to analyze data, we often use mean (to find center) and standard deviation (to find spread). It is important to understand how standard deviation applies to data values that...

“Where do you want to go to college next year?” If you’re a college junior or senior, you’ve likely been asked that question several times. Maybe you’re a senior and you’re submitting...

Implicit differentiation is often used in calculus when we have a function where it is difficult to isolate one of the variables. So, what is implicit differentiation?  Implicit...

Finding the perimeter of a triangle can help you to figure out how much material you need to build a structure. You can also compare the distance you would need to walk around two different triangles...

You will often need to find function minimums in calculus, especially in optimization problems. A function minimum can be local or global (the global one is a local minimum, and it is less than any...