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MATHEMATICS PAPER PDF Govt. High School wasu Astana
Mathematics 9thA-1 total marks=50 November Test 2019 Time Allowed:- 2
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Q.No.1 Select the correct answer of the following. Cutting or erasing is not allowed. (10)
Sr # | Questions | A | B | C | D |
1 | If = 0, then x is equal to | 9 | - 6 | 6 | -9 |
2 | If A and B are two matrices of the same order and A+B = O = B+A then A and B are called --- of each other | Additive inverse | Additive identity | Null matrices | All of these |
3 | If I = then its inverse is | ||||
4 | loge10 is equal to | 0.4343 | 2.3026 | 0.0044 | 2.7182 |
5 | John Napier prepared the logarithm tables to the base e in | 1858 | 1758 | 1614 | None of these |
6 | The third part of the logarithmic table consists of ---- columns | 9 | 10 | 3 | 100 |
7 | Find m so that x2 + 8x + m is a complete square. | 8 |
| 4 | 16 |
8 | If x - 2 is factor of p(x)= x2 +2kx +8, then k = | 2 | -3 | -4 | -6 |
9 | X = 0 is a solution of the inequality ----- | x > 0 | 3x + 5 < 0 | x + 2 < 0 | x-2 < 0 |
10 | The inequality symbols < and > were introduced by ---- | John Napier | Arthur Cayley | Thomas Harriot | Leonard Euler |
Mathematics PAPER PDF 9thA-1 (English Medium)
Q.No.2 Give short answers to any 12 short questions (24)
(i)Define Scalar matrix.(ii)What is difference b/w singular and non singular matrix? (iii) if+ X = then find the value of X (iv) and are multiplicative inverse of each other or not?(v) Define equal matrices (vi)write down third law of logarithm. (vii) Find the value of x if = (viii) Write in scientific notation (ix) Find log of 2 to the base 4. (x) Calculate ´ (xi) Define Remainder theorem. (xii) Factorize 9x4+ 36y4 (xiii) factorize 1- 64z3 (xiv) write down trichotomy property.(xv) Factorize x4 + x2 + 25 (xvi) Solve the inequality 4x - 1 £ 3 £ 7+2x (xvii) Solve + 21= 9
Q.No.3(a) 4x + y = 9 , -3x-y = -5 solve by Cramer,s Rule (b) if A= and B= then verify that (AB)-1= B-1A-1
Q.No.4(a) Evaluate )3 with the help of logrithm (b) Show that 7 log + 5 log + 3 log = log 2
Q.No.5(a) Factorize by factor theorem x3 + 5x2 -2x - 24 (b) Solve the equation + = Note:- attempt any two questions from 3,4 and 5
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