## SIMULTANEOUS EQUATIONS 3

SIMULTANEOUS EQUATIONS See also SIMULTANEOUS EQUATIONS SIMULTANEOUS EQUATIONS QUADRATIC EQUATIONS GEOMETRIC PROGRESSION ARITHMETIC PROGRESSION (A. P)

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SIMULTANEOUS EQUATIONS See also SIMULTANEOUS EQUATIONS SIMULTANEOUS EQUATIONS QUADRATIC EQUATIONS GEOMETRIC PROGRESSION ARITHMETIC PROGRESSION (A. P)

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SIMULTANEOUS EQUATIONS CONTENT Solving Simultaneous Equations Involving One linear and One quadratic. Solving Simultaneous Equations Using Graphical Method SIMULTANEOUS EQUATIONS INVOLVING ONE LINEAR AND ONE QUADRATIC One of the equations is in linear form while the other is in quadratic form. Note: One linear, one quadratic is only possible analytically using substitution method. Examples:

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SIMULTANEOUS EQUATIONS CONTENT Solving Simultaneous Equations Using Elimination and Substitution Method Solving Equations Involving Fractions. Word problems. SIMULTANEOUS LINEAR EQUATIONS Methods of solving Simultaneous equation Elimination method Substitution method iii.Â Â Â Â Â Â Â Â Graphical method Â ELIMINATION METHOD One of the unknowns with the same coefficient in the two equations is eliminated by subtracting or adding the two

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QUADRATIC EQUATIONS CONTENT Construction of Quadratic Equations from Sum and Product of Roots. Word Problem Leading to Quadratic Equations. Â CONSTRUCTION OF QUADRATIC EQUATIONS FROM SUM AND PRODUCT OF ROOTS We can find the sum and product of the roots directly from the coefficient in the equation. It is usual to call the roots of

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GEOMETRIC PROGRESSION CONTENT Definition of Geometric Progression Denotations of Geometric progression The nth term of a G. P. The sum of Geometric series Sum of G. P. to infinity Geometric mean Definition of G. P The sequence 5, 10, 20, 40 has a first term of 5 and the common ratio Between the term is

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ARITHMETIC PROGRESSION (A. P) CONTENT Sequence Definition of Arithmetic Progression Denotations in Arithmetic progression Deriving formulae for the term of A. P. Sum of an arithmetic series Find the next two terms in each of the following sets of number and in each case state the rule which gives the term. (a)Â Â Â Â Â Â Â 1, 5, 9,

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PERCENTAGE ERROR See also LOGARITHM OF NUMBERS MENSURATION Symmetric Properties of Roots Sum & Product of Roots of a Quadratic Equation Quadratic Formula

REVISION OF LOGARITHM OF NUMBERS GREATER THAN ONE AND LOGARITHM OF NUMBERS LESS THAN ONE See also MENSURATION Symmetric Properties of Roots Sum & Product of Roots of a Quadratic Equation Quadratic Formula Completing the square method

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