(Set - 2) EM
Transcription
(Set - 2) EM
MODEL PAPER - 2 1 CONTINUOUS & COMPREHENSIVE EVALUATION SUMMATIVE ASSESSMENT MODEL PAPER - 2 MATHEMATICS - PAPER - I X CLASS Max Marks : 40] [Time : 2 : 45 hrs SECTION - I Note : 1. 2. 7×1=7M Answer all the following questions. Each question carries one mark . d 1. Which numbers are used to finding the length of diagonal of a square whose sides are given? 2. Write the set-builder form of A B 3. Rama says that 4. If the equations 2x + py = – 5 and 3x + 3y = – 6 have require solutions then find the value of P. a b a r e d y H 1 is not a polynomial. Do you agree with Rama’s argument state the reason? x 1 Explain nature of roots of fifteens. 5. , B E C D 6. Which term in the A.P 5, 2, – 1 , ... is –22? 7. Draw the graph of equation 3x + 2y – 5 = 0 - by using this graph. Find the value of x, when y = 7 Note : 1. 2. SECTION - II 6 × 2 = 12 M Answer the following questions. Each question carries two mark 8. The different of two irrational numbers may or may not be irrational. Explain 9. If Kn(x – 2) + 6 = 0 has equal roots, find K. 10. If the numerator of a traction is decreased by 1 its value becomes by 5 its value becomes 2 , but if the denominator is increase 3 1 . What is the fraction. 2 11. It is possible to design a rectangular mango grove whose length is twice its breadth, and the area is 200 m2? If so find its length and breadth. 12. Find the value of is, So that , y, 13. A (3,6), B(3, 2) and C(8, 2) are the vertices of a rectangle. Plot these points on graph paper and then use it to find the coordinates of the vertex D. 2 7 7 are three consecutive terms of a G.P? 2 www.dcebhyderabad.webnode.in MATHEMATICS - PAPER - I 2 SECTION - III Note : 1. Internal choice is given in each question. 2. 14. 4 × 4 = 16 M Each question carries four mark (a) (i) (ii) If log10(x+5) = 1 then find the value of x A = {all composite numbers less than 20} B = {all whole numbers less than 10} Diagram of (i) A B (ii) A B (iii) A – B (iv) B – A (OR) (b) Prove that 15. 1 5 is a irrational number.. 2 3 (a) Draw the graph of y = x2 – x – 12 and find its zeroes justify the answer. a b a r e d y H (OR) . d (b) Find the zero of the quadratic polynomial x2 – 4x + 3, and verify the relationship between the zeroes and the coefficients. 16. (a) Verify that 1, – 1 and –3 are then zeroes of cubic polynomial x3 + 3x2 – x – 3 and cheek the relationship between zeroes and coefficient. (OR) (b) Solve the following pair of equations. , B E C D a 2 b2 a 2 b b2a 0, a b , x 0, y 0 x y x y 17. (a) The points (P, 2), (–3, 4) and (–7, 1) are collinear then find the value of P. (OR) (b) The length of a hall exceeds its breadth by 8 m and its area is 180 m2. Find the dimensions of the hall. SECTION - IV 10 × 1 2 = 5 M Note : 1. Choose the correct answer. 2. 18. If 3 Each question carries mark. 1 (b) 21/6 (c) 21/2 (d) 21/5 The pair of linear equations 3x + 2y = 5, 4x – 3y = 7 have (a) are solution 20. 2 2 (x) 2 , what is the value of x (a) 22/3 19. 1 (b) Two solutions (c) many solutions (b) 4 (c) 6 www.dcebhyderabad.webnode.in ) ( ) (d) No solution How many prime factor are there in prime fraction of 5005? (a) 2 ( (d) 7 MODEL PAPER - 2 3 A 21. In the adjacent figure x = __________ (a) 9 22. 23. 25. (a) empty (c) singletor (b) infinite B (5, – 4) (c) –3 (a) x-axis (d) None (c) (0, 0) (c) Real not equal (a) 3 (b) 4 , B E C D ) a b a r e d y H (c) Cayley ( ) ( ) (d) None 3 4 x + 8x3y2 is _________ 4 (c) 2 www.dcebhyderabad.webnode.in . d (d) None Co-ordinate geometry was introduced in _________ The degree of the polynomial 10xy3 + y4 + ( ) The natures of roots of 2x2 – 2x + 3 = 0 is (b) Johnen ) (d) 2 ( (b) Real and equal ( (d) none (3, 0), (8, 0), (1/2, 0) ........ points lies on _________ (b) y-axis ) ) The common ratio of series 3, – 6, 12, – 24, 48 is _________ (b) – 1/2 ( (d) 3 ( (a) Rene-desecrate 27. (c) –5 {x/x x} is a ________ set (a) Complex 26. (x, y) (b) 1 (a) – 2 24. (0,0) (d) 5