392 =…….. A.202 B.162 C.102 D.82 E.42 p times Simplify a×a×a……aa+a+a+⋯a p terms A.ap-1p B.pap2 C.app-2 D.p2 E.1 The value of 2-1-1-1is A.2 B.-2 C.-12 D.14 E.12 7.532532 =……. A.1 B.0 C.25 D.125 E.625 8.-1-1

7 ,x=………. A. 180 B.160 C.154 D.140 E.120 The sum of three constitutive integers is 54. The largest number is A. 16 B.20 C.8 D.19 E.17 x 1 2 3 4 6 10 y 6 3 2 1.5 1 0.6 The table shows the variation of y

is also a chord of the circle. 2. The largest chord of a circle is a diameter. 3. In a circle of radius 10 cm , no chord has length 15 cm. A. 1 only B. 2 only C. 3 only D. 1 and 2 only E. 2 and 3 only

perfect square , then p=………. A. 49 B.94 C. 4 D. 9 E.16 x2+k=x have only one real root, find k. A. 14 B.-14 C. 4 D. -4 E.1 The solution set of x2-x=x(x-1) is A. {0} B. {0,-1} C. {1,0} D. R E.∅ The solution

) C. (6,1) and (-6,-1) D.(4,7) and (-3,7) E.(0,5) and (3,0) 6.Which of the following statement is (are) true? 1.If m>0 , then the segment makes an actual angle with the positive direction of X-axis.