Enrich Your Math Word Power


1	rational expression
		A)	a fraction
		B)	a ratio of two polynomials with denominator not equal to 0
		C)	an expression involving fractions
		D)	a fraction in which the numerator and denominator contain fractions


2	complex fraction
		A)	a fraction having rational expressions in the numerator, denominator, or both
		B)	a fraction with a large denominator
		C)	the sum of two fractions
		D)	a fraction with a variable in the denominator


3	building up the denominator
		A)	the opposite of reducing a fraction
		B)	finding the least common denominator
		C)	adding the same number to the numerator and denominator
		D)	writing a fraction larger


4	least common denominator
		A)	the largest number that is a multiple of all denominators
		B)	the sum of the denominators
		C)	the product of the denominators
		D)	the smallest number that is a multiple of all denominators


5	extraneous solution
		A)	a number that appears to be a solution to an equation but does not satisfy the equation
		B)	an extra solution to an equation
		C)	the second solution
		D)	a nonreal solution


6	ratio of a to b
		A)	b/a
		B)	a/b
		C)	a/(a + b)
		D)	ab


7	proportion
		A)	a ratio
		B)	two ratios
		C)	the product of the means equals the product of the extremes
		D)	a statement expressing the equality of two ratios


8	extremes
		A)	a and d in a/b = c/d
		B)	b and c in a/b = c/d
		C)	the extremes-means property
		D)	if a/b = c/d then ad = bc


9	means
		A)	the average of a, b, c, and d
		B)	a and d in a/b = c/d
		C)	b and c in a/b = c/d
		D)	if a/b = c/d, then (a + b)/2 = (c + d)/2


10	cross-multiplying
		A)	ab = ba for any real numbers a and b
		B)	(a - b)² = (b - a)² for any real numbers a and b
		C)	if a/b = c/d, then ab = cd
		D)	if a/b = c/d, then ad = bc

2002 McGraw-Hill Higher Education
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