Introductory and Intermediate AlgebraAddison-Wesley Longman, Incorporated, 1998 - 820 páginas |
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Página 89
... equations . The simplest type of equation is a linear equation . Methods for solving linear equations will be introduced in this section . We will be using the definitions and properties of real numbers that we learned in Chapter 1 ...
... equations . The simplest type of equation is a linear equation . Methods for solving linear equations will be introduced in this section . We will be using the definitions and properties of real numbers that we learned in Chapter 1 ...
Página 303
... equation without z , multiply both sides of equation ( 1 ) by -2 and add the result to equation ( 3 ) . It is important at this point to eliminate the same variable , z . -8x 2x - - -6x 19y 16y 2z = −4 3y + 2z = 3 - = 1 -2 times both ...
... equation without z , multiply both sides of equation ( 1 ) by -2 and add the result to equation ( 3 ) . It is important at this point to eliminate the same variable , z . -8x 2x - - -6x 19y 16y 2z = −4 3y + 2z = 3 - = 1 -2 times both ...
Página 338
... equations by appropriate numbers so that the coefficients of x ( or y ) are negatives of each other . Step 3 Add the equations to get an equation with only one variable . Step 4 Solve the equation from Step 3 . Step 5 Substitute the ...
... equations by appropriate numbers so that the coefficients of x ( or y ) are negatives of each other . Step 3 Add the equations to get an equation with only one variable . Step 4 Solve the equation from Step 3 . Step 5 Substitute the ...
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