Introductory and Intermediate AlgebraAddison-Wesley Longman, Incorporated, 1998 - 820 páginas |
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Página 471
... zero denominator is not a rational expression because division by zero is undefined . For that reason , be careful when substituting a number in the denominator of a rational expression . For exam- ple , in X 8x2 3 the variable x can ...
... zero denominator is not a rational expression because division by zero is undefined . For that reason , be careful when substituting a number in the denominator of a rational expression . For exam- ple , in X 8x2 3 the variable x can ...
Página 472
... zero for any value of r because r2 is always greater than or equal to zero , and adding 1 makes the sum greater than zero . Thus , there are no values for which this rational expression is undefined . 2. Find the value of each rational ...
... zero for any value of r because r2 is always greater than or equal to zero , and adding 1 makes the sum greater than zero . Thus , there are no values for which this rational expression is undefined . 2. Find the value of each rational ...
Página 611
... zero - factor property . For example , to solve x2 + 4x + 3 = 0 , we begin by factoring on the left side and then set each factor equal to zero . x2 + 4x + 3 0 = ( x + 3 ) ( x + 1 ) = 0 OBJECTIVES INTERNET www.mathnotes.com Solve ...
... zero - factor property . For example , to solve x2 + 4x + 3 = 0 , we begin by factoring on the left side and then set each factor equal to zero . x2 + 4x + 3 0 = ( x + 3 ) ( x + 1 ) = 0 OBJECTIVES INTERNET www.mathnotes.com Solve ...
Contenido
An Introduction to the Scientific | 134 |
Success in Algebra | 142 |
1 | 149 |
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Términos y frases comunes
absolute value algebraic angle ANSWERS applied problems binomial CHAPTER Check coefficient Combine terms completing the square complex numbers Cramer's rule determine distance Distributive property Divide domain Evaluate EXAMPLE exponential EXTRA HELP Tutorial feet Find the value given gives graph of f(x graphing calculator greatest common factor HELP Tutorial Tape hyperbola inches integers intersection inverse linear equation logarithms lowest terms MATHEMATICAL CONNECTIONS EXERCISES meters method miles per hour Multiply negative number number line OBJECTIVE one-to-one ordered pairs original equation parabola perfect square polynomial positive number product rule quadratic equation quadratic formula quadratic function quotient rule rational expressions rational number real numbers rectangle represent REVIEW EXERCISES SIDE Simplify slope solution set Solve each equation Solve the equation solve the system standard form Step substituting Subtract symbol system of equations trinomial variable vertex vertical width Write x-intercept y-value y₁ zero