Important Definitions Factors; coefficient; exponent; power; base; term; algebraic sum; similar terms; degree; homogeneous expression; linear equation; root of an equation; root of an expression; identity; conditional equation; prime quantity; highest common factor (H. C. F.); lowest common multiple (L. C. M.); involution; evolution; imaginary number; real number; rational; similar radicals; binomial surd; pure quadratic equation; affected quadratic equation; equation in the quadratic form; simultaneous linear equations; simultaneous quadratic equations; discriminant; symmetrical expression; ratio; proportion; fourth proportional; third proportional; mean proportional; arithmetic progression; geometric progression; Special Rules for Multiplication and Division 1. Square of the sum of two quantities. 2. Square of the difference of two quantities. 3. Product of the sum and difference of two quantities. 4. Product of two binomials having a common term. 6. Square of a polynomial. 7. Sum of two cubes. 8. Difference of two cubes. 9. Sum or difference of two like powers.
Cases in Factoring 1. Common monomial factor. 2. Trinomial that is a perfect square. 3. The difference of two squares. (a) Two terms. (b) Four terms. (c) Six terms. (d) Incomplete square. 4. Trinomial of the form 5. Trinomial of the form 6. Sum or difference of
7. Common polynomial factor. Grouping. 8. Factor Theorem. H. C. F. and L. C. M. H. C. F. L. C. M. Fractions Reduction to lowest terms. Reduction of a mixed number to an improper fraction. Reduction of an improper fraction to a mixed number. Addition and subtraction of fractions. Multiplication and division of fractions. Law of signs in division, changing signs of factors, etc. Complex fractions. Simultaneous Equations Solved by
Graphical representation. Involution Law of signs. Binomial theorem laws. Expansion of
Law of signs. Evolution of monomials and fractions. Square root of algebraic expressions. Square root of arithmetical numbers. Optional
Theory of Exponents Proofs: Meaning of
Four rules
Radicals Radical in its simplest form. Transformation of radicals
Addition and subtraction of radicals. Rationalization
Square root of a binomial surd. Radical equations. Always check results to avoid extraneous roots. Quadratic Equations Pure. Affected. Methods of solving
Equations in the quadratic form. Properties of quadratics
Case I. One equation linear. The other quadratic. Case II. Both equations homogeneous and of the second degree. Case III. Any two of the quantities etc., given. Case IV. Both equations symmetrical or symmetrical except for sign. Usually one equation of high degree, the other of the first degree. Case V. Special Devices I. Solve for a compound unknown, like etc., first. II. Divide the equations, member by member. III. Eliminate the quadratic terms. Proportionals
Theorems
Special method of proving four quantities in proportion. Let etc. Progressions Development of formulas. Insertion of means
Binomial Theorem Review of binomial theorem laws. See Involution. Expansion of Finding any term by
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