A rational expression is the quotient of two polynomials. A quotient is the result of dividing something. And a polynomial is, the sum of one or powers, in one or more variables,
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"There are two major applications of rational expressions: motion problems and work. problems. Quoted from: http://www.saddleback.edu/faculty/fgonza….
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1. Original Problem: x2+6x/x2+5x6 X x+2/xMultiply the numerators. The numerators are: x2+6x and x+2. Therefore, x2+6x times x+2= x(x+6) (x+2) 2. Multiply the denominators. The denominators
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Manufacturing. A machine has a work output of 14ax4 j (joules) and a work in put 7a2x5 j. What is the eficiency of the machine? efficiency in % = work output in joules. work input
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