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Bookmark or Share- PEMDAS - Algebra - SocraticPEMDAS is an mnemonic device used to remind students of the order of operations in the calculation of a mathematical problem.
- Polyatomic Ions - Chemistry - SocraticPolyatomic ions are formed when a group of atoms have a charge. Hydroxide, for example, is formed when oxygen and hydrogen covalently bond but still have a charge of -1. When a polyatomic ion forms an ionic bond with another ion, a polyatomic ionic compound is made. For example, the +1 barium ion can form an ionic bond with the -1 hydroxide ion, to form the Barium Hydroxide (BaOH) ionic compound.
- How do you FOIL where three factors are used #(x-1)(x+2)(x-3)#? - Socratic=x^3-2x^2-5x+6 FOIL is an acronym standing for Firsts, Outers, Inners, Lasts It refers specifically to the multiplication of two binomials: like (a+b)(c+d) and is a way for students to remember how to multiply them: F rarr a xx c = ac" " multiply the two first terms together. O rarr a xx d = ad" " multiply the two outer terms together. I rarr b xx c = bc" " multiply the two inner terms ...
- What is an acronym or pnemonic to remember the strong bases?Li ttle Na nnies K ill R a b bits, C au s ing Ca rnivorous S c r eaming Ba bies I never really needed a mnemonic device to help remember them...
- How do you factor x^3 -8? - Socraticx^3 - 8 is the difference of two cubes and can be factored in the following pattern. a^3 -b^3 = (a - b)(a^2 +ab +b^2) a^3 factors to a b^3 factors to b The pattern of the signs follows the acronym SOAP S = same sign as the cubes O = opposite sins of the cubes AP = always positive x^3 factors to x 8 factors to 2 x^3 - 8 = (x - 2)(x^2 + 4x + 4) SMARTERTEACHER YouTube
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