Warm-Ups


1	The LCD for the denominators 4, x, 6, and x² is 12x³.
		A)	TRUE
		B)	FALSE


2	The LCD for the denominators a - b, 2b - 2a, and 6 is 6a - 6b.
		A)	TRUE
		B)	FALSE


3	The fraction 4117/7983 is a complex fraction.
		A)	TRUE
		B)	FALSE


4	The LCD for the denominators a - 3 and 3 - a is a² - 9.
		A)	TRUE
		B)	FALSE


5	The largest common denominator for the fractions 1/2, 1/3, and 1/4 is 24.
		A)	TRUE
		B)	FALSE


6	Questions 6–10 refer to the following complex fractions: To simplify (a), we multiply the numerator and denominator by 60x.
		A)	TRUE
		B)	FALSE


7	To simplify (b), we multiply the numerator and denominator by ab/(ab)
		A)	TRUE
		B)	FALSE


8	The complex fraction (c) is equivalent to (2x - 1)/(2x + 3).
		A)	TRUE
		B)	FALSE


9	If x ≠ -3/2, then (c) represents a real number.
		A)	TRUE
		B)	FALSE


10	The complex fraction (d) can be written as 5/6 ÷ 3/2.
		A)	TRUE
		B)	FALSE

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