Crossword Puzzle Rational ExpressionOnline version This crossword puzzle will explore vocabulary words used in solving rational expressions or equations. by Jason Holloway 1 must be the same in order to add/ subtract rational expressions 2 Used to convert division problems to multiplication of rational expressions 3 setting one fraction equal to another fraction i.e creating something to scale 4 Process using in simplifying rational expressions containing trinomials in a rational expressions numerator or denominator 5 three term polynomials common in rational expressions 6 The values which satisfy the rational equation 7 The process of cancelling out any common factors in the rational expression 8 Allowable values for where the rational function is defined. Usually determined by finding values where the denominator is not equal to zero 9 type of rational expression containing other rational expressions 10 term used when an expression cannot be factored 6 9 7 5 3 10 1 8