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# CBSE Class 9 Pre Board 2020 : Mathematics - Paper 2 (Delhi Public School (DPS), Jammu)

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Delhi Public School, Jammu Annual Examination (2019-20) ASSIGNMENT Class:- IX Sub: Maths Section A 1.Mean of data 3,0,5,1,6,0,1 is.____________ 2.Degree of polynomial 5x2+ 2x5+1 is ___________ 3.Show that -1 and -2 are the zeroes of the polynomial x +3x+2. 4.Give the abscissa and the ordinate for each of the following points (1,-2) 5.What are the coordinates of the origin? 6. (-3,-5) lies in -------------------------------- quadrant 7 .If A,B and C are three points on a line, and B lies between A and C , then ( prove that AB+ BC = AC. 8. It is known that x+y =10 and that x=z. Show that z+y = 10. 9 Rational numbers between 1and 4 are (a) 2 (b) 3 (c) 4 (d) infinity 10. volume of sphere is 2 (a) 3 r3 1 (b) 3 4 r3 1 (c) 3 r2 (d) none of these Q11. If x+2 is a factor of 2 + mx + 14,then m = (a) 7 (b) 2 (c) 9 (d) 14 Q12. If x+1 is a factor of the polynomial 2 2 +kx, then k = (a) -2 (b) -3 (c) 4 (d) 2 Q13. The ordinate of any point on x-axis is (a) 0 (b) 1 (c) -1 (d) any number Q14.The perpendicular distance of the point P (4,3) from y-axis is (a) 4 (b) 3 (c) 5 (d) none of these Q15.Side BC of a triangle ABC h has been produced to a point such that ACD = 1200

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