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Question 1 of 10
1.
1 pointsIs 5^{k} less than 1,000 ?
(i) 5^{5 + 1} > 3,000
(ii) 5^{k – 1} = 5^{k} – 500CorrectIncorrect/Not answered 
Question 2 of 10
2.
1 pointsIf n is a positive integer, is the value of b – a at least twice the value of 3^{n} – 2^{n} ?
(i) a = 2^{n – 1} and b = 3^{n + 1}
(ii) n = 3
CorrectIncorrect/Not answered 
Question 3 of 10
3.
1 pointsIf x is an integer, is xx< 2^{x} ?
(i) x < 0
(ii) x = – 10CorrectIncorrect/Not answered 
Question 4 of 10
4.
1 pointsIf n is a positive integer and k = 5.1×10^{n}, what is the value of k ?
(i) 6,000 < k < 500,000(ii) k^{2}= 2,601× 10^{9}
CorrectIncorrect/Not answered 
Question 5 of 10
5.
1 pointsCorrectIncorrect/Not answered 
Question 6 of 10
6.
1 pointsIn the rectangular coordinate system above, if OP < PQ, is the area of region OPQ greater than 48 ?
(i) The coordinates of point Q are (13,0).
(ii) The coordinates of point P are (6,8).CorrectIncorrect/Not answered 
Question 7 of 10
7.
1 pointsIf x < 0, is y > 0?
(i) x/y < 0 (ii) y – x > 0CorrectIncorrect/Not answered 
Question 8 of 10
8.
1 pointsEvery member of a certain club volunteers to contribute equally to the purchase of a $60 gift certificate. How many members does the club have?
(i) Each member’s contribution is to be $4.
(ii) If 5 club members fail to contribute, the share of each contributing member will increase by $2.CorrectIncorrect/Not answered 
Question 9 of 10
9.
1 pointsIf Carmen had 12 more tapes, she would have twice as many tapes as Rafael. Does Carmen have fewer tapes than Rafael?
(i) Rafael has more than 5 tapes.
(ii) Carmen has fewer than 12 tapes.CorrectIncorrect/Not answered 
Question 10 of 10
10.
1 pointsIf x and y are positive, then x is what percent of y?
(i) 15 is 25 percent of y.
(ii) x is 10 percent of 2y.CorrectIncorrect/Not answered