dmf0Z6f50e on "△ ABC"

dmf0Z6f50e — Sat, 07 Sep 2013 05:43:38 +0000

Xiamen Foreign Language final two days of http://tapout--xtsale.webs.com/ the second semester of the 2011-2012 school year mathematics papers 
 one choice ( the small problem of eight small problems, each of three points, a total of 24 points ) 
 1. For the inverse function of y? k, the following statement is correct () x 
 A, its image passes through the point (1,1) B, its image in the second and fourth quadrants, 
 C, which the x- axis intersection point D, when x http://hiphopabscaloriesburned.webs.com/ <0时, y increases with x 
 2. following expression , the right is () 
 A, yyyyyyy? y?????? BCD? x? yx? y? x? yx? y? x? yx? y? x? yy? x 
 3. taking three sticks of length , can nail into a right triangle is () 
 A, 2m, 3m, 4m B, 1m, 1m, 2m C, 5m, 12m, 13m D, 4m, 6 m, 8m 
 4. Xiao Ming mom owns a clothing store, Xiao Ming to help his mother on the various types of apparel sales last month conducted a statistical analysis of the decision in this month's arrival of multiple signals into some kind of clothing , then Xiao Ming reference should focus () 
 A, the mode B, the average C. Weighted average number insanity usa of D, median 
 5, the following quads : ① isosceles trapezoid ; ② square ; ③ rectangular ; ④ http://onlineinsanity.webs.com/ diamond diagonals must be equal () trx force kit 
 A, ① ② ③ B, ① ② ③ ④ C, ① ② D, ② ③ 
 6, a square piece of paper folded twice , and the position in FIG cut a right triangle , open triangle pattern after a (
 
 
 
 
) 
 
 A. Diamond Triangle B C D rectangular square 
 7, in the same coordinate system , the function y? 
 
 
 k and y? kx? 3 (k is a constant equal to 0 ) of the image may be () x 
 
 
 
 A B C D 
 8, as shown , △ ABC , M is the midpoint of BC , AD是? BAC bisector , BD ⊥ AD in D, AB = 12, AC = 18, then DM = AA. 2 B, 3 C, 4 D, 5 
 
 D BCM two , fill in the blank ( a total of 10 small problems, each of 4 points, a total of 40 points ) 
 9, honeycomb thickness is only about 0.000073m, this data using scientific notation as _____________m 
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