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Posts by JDM Educational Staff
When we deal with radicals, we need to know the various parts and how they affect the value of the radical. For example, the index of a radical is important, but we also need to understand the...
When we use algebra to solve equations, we can usually trust all of the answers we get. However, there are some cases where this is not true – that is, when we get extraneous...
It’s that time. You’re in high school and you're starting to think about where you want to attend college. Maybe you even started touring schools or exploring websites of various colleges. You...
Conditional Probability & Two-Way Tables (5 Key Things To Know)
Suppose I asked the question, what is the probability that a randomly selected teenager drinks coffee? We may think that that number is rather low. Many middle schoolers are teenagers and there...
When working with fractions, we often want to simplify as much as possible to make our work easier. Denominators are important when adding or subtracting fractions – especially when square...
What’s the deal with the number e? Do we really need another irrational number that has its own key on most calculators? Isn’t π enough? Usually, the number e gets introduced to us when we...