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  2. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Leibniz's notation for the derivative, which is used in several slightly different ways. 1. If y is a variable that depends on x , then d y d x {\displaystyle \textstyle {\frac {\mathrm {d} y}{\mathrm {d} x}}} , read as "d y over d x" (commonly shortened to "d y d x"), is the derivative of y with respect to x .

  3. Multiple representations (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Multiple_representations...

    In mathematics education, a representation is a way of encoding an idea or a relationship, and can be both internal (e.g., mental construct) and external (e.g., graph). Thus multiple representations are ways to symbolize, to describe and to refer to the same mathematical entity. They are used to understand, to develop, and to communicate ...

  4. Glossary of mathematical jargon - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Mathematicians have several phrases to describe proofs or proof techniques. These are often used as hints for filling in tedious details. angle chasing Used to describe a geometrical proof that involves finding relationships between the various angles in a diagram. [3] back-of-the-envelope calculation

  5. Distance from a point to a line - Wikipedia

    en.wikipedia.org/.../Distance_from_a_point_to_a_line

    The line with equation ax + by + c = 0 has slope -a/b, so any line perpendicular to it will have slope b/a (the negative reciprocal). Let (m, n) be the point of intersection of the line ax + by + c = 0 and the line perpendicular to it which passes through the point (x 0, y 0). The line through these two points is perpendicular to the original ...

  6. Mom Arrested After Her Malnourished 4-Year-Old Allegedly Wasn ...

    www.aol.com/mom-arrested-her-malnourished-4...

    A Charlotte, N.C., woman has been arrested on child abuse charges after allegedly neglecting to give her daughter solid food for roughly six months.

  7. 16 Homemade Soups to Stash in the Freezer for a Cozy ... - AOL

    www.aol.com/16-homemade-soups-stash-freezer...

    Italian Meatball Soup. With lots of mini meatballs plus onion, carrot, cabbage, potatoes, and celery, this soup is pure comfort. Once it's defrosted and reheated, that's when you can sprinkle on ...

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