Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. a = -6
B. a = 6
C. a = 0
D. Defined for all real numbers
Answer: D
Mathematics
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Round off the approximate number as indicated.0.9999 3 significant digits
A. 1.00 B. 1 C. 1.0 D. 0.999
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Insert ? or ? in the blank to make the statement is true.{9} 
{9, 10, 11, 12, 13, 14}
A. ? B. ?
Mathematics
Factor the difference of squares.x4 - 1
A. (x2 - 1)(x + 1)(x - 1) B. (x2 + 1)(x + 1)(x - 1) C. (x + 1)2(x - 1)2 D. Does not factor
Mathematics
Simplify.
A. 64k5 B. -4k5 C. 4k5 D. 4k18
Mathematics