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Saw this question, thought it could be best shown with a visual. The first coordinate is the x-coordinate, the second is the y-coordinate. …
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How can DMX unintentionally help you with math? Distinguishing between domain and range
We started with some inequality problems and interval notation. The thing we focused on was square brackets vs curved brackets [ and (. One is inclusive, like a closed dot, and the other is exclusive …
Tutoring Chemistry, pH Ka, Acids & Bases
You can find the pH by taking the negative log of the concentration of H+ or H3O+ and the pOH by taking the negative log of the OH- There are various ways to do calculations with Ka and the pH. We …
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Variations in plotting trig functions, tutoring Precalculus
We looked at graphing different trigonometric functions with variations. Started with sin x and cos x. Looked at expansions/contractions, shifts vertically and horizontally. Used the chocolate trick …
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Tutoring SAT Math Calculator Section
We focused on questions in the calculator section that she was having trouble with. The first had a bag of marbles and was about finding probabilities. The basic idea is to find the number of …
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SAT Math, Adding 10% more efficiently
Alejandra seems to have a good foundation in math. With the SAT though, there are some topics which she has not seen in a few years which are less familiar. Also, the test often includes answers that …
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