Enrich Your Math Word Power


1	nth root of a
		A)	a square root
		B)	the root of aⁿ
		C)	a number b such that aⁿ = b
		D)	a number b such that bⁿ = a


2	square of a
		A)	a number b such that b² = a
		B)	a²
		C)	\| a \|
		D)	a^1/2


3	cube root of a
		A)	a³
		B)	a number b such that b³ = a
		C)	a/3
		D)	a number b such that b = a³


4	principal root
		A)	the main root
		B)	the positive even root of a positive number
		C)	the positive odd root of a negative number
		D)	the negative odd root of a negative number


5	odd root of a
		A)	the number b such that bⁿ = a, where a is an odd number
		B)	the opposite of the even root of a
		C)	the nth root of a
		D)	the number b such that bⁿ = a, where n is an odd number


6	index of a radical
		A)	the number n in na^1/2
		B)	the number n in a^1/n
		C)	the number n in aⁿ
		D)	the number n in (aⁿ)^1/2


7	like radicals
		A)	radicals with the same index
		B)	radicals with the same radicand
		C)	radicals with the same radicand and the same index
		D)	radicals with even indices


8	integral exponent
		A)	an exponent that is an integer
		B)	a positive exponent
		C)	a rational exponent
		D)	a fractional exponent


9	rational exponent
		A)	an exponent that produces a rational number
		B)	an integral exponent
		C)	an exponent that is a real number
		D)	an exponent that is a rational number


10	radicand
		A)	the expression a^1/n
		B)	the expression a²
		C)	the number a in a^1/n
		D)	the number n in a^1/n


11	complex numbers
		A)	a + bi, where a and b are real
		B)	irrational numbers
		C)	imaginary numbers
		D)	(-1)^1/2


12	imaginary unit
		A)	1
		B)	-1
		C)	i
		D)	1^1/2


13	imaginary number
		A)	a + bi, where a and b are real
		B)	i
		C)	a complex number
		D)	a complex number in which b ≠ 0


14	complex conjugates
		A)	i and (-1)^1/2
		B)	a + bi and a - bi
		C)	(a + b)(a - b)
		D)	i and -1

2002 McGraw-Hill Higher Education
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