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Algebra For Dummies

This is just a quick review of the order of operations. If you need more of an explanation, refer to my book Algebra For Dummies (Wiley), where I give a more thorough explanation. [Pg.65]

A system of two linear equations, such as 2x + 3y = 31 and 5x -y = 1 is usually solved by elimination or substitution. (Refer to Algebra For Dummies if you want a full explanation of each type of solution method.) For the problems in this chapter, I use the substitution method, to solve for a variable. This means that you change the format of one of the equations so that it expresses what one of the variables is equal to in terms of the other, and then you substitute into the other equation. For example, you solve for y in terms of x in the equation 3x + y = 11 if you subtract 3x from each side and write the equation as y = 11 - 3x. [Pg.230]

The cubic equation can be factored. You get to use some more powerful algebra in the form of the rational root theorem and synthetic division to find the factors. (These topics are covered thoroughly in Algebra II For Dummies. )... [Pg.297]

Algebra Workbook For Dummies 0-7645-8467-7 Astronomy For Dummies 0-7645-8465-0 Calculus For Dummies 0-7645-2498-4 Chemistry For Dummies 0-7645-5430-1 Forensics For Dummies 0-7645-5580-4... [Pg.339]

See other pages where Algebra For Dummies is mentioned: [Pg.3]    [Pg.339]    [Pg.348]    [Pg.387]    [Pg.3]    [Pg.339]    [Pg.348]    [Pg.387]    [Pg.4]    [Pg.364]    [Pg.362]    [Pg.362]    [Pg.152]    [Pg.29]    [Pg.322]   
See also in sourсe #XX -- [ Pg.65 ]



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