(Paper) CBSE : Class 9 Mathematics Unit Test Paper-03
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Class 9 Mathematics Unit
Test Paper-03
Class - IX
MATHEMATICS
TIME :-3 hrs.
M.M: 80
General Instructions: - All Questions are compulsory. Use of
calculator is not permitted.
1. | Write the value of |
1-marks |
2. | Find the product of | 1-marks |
3. | Find the value of 5x3-4x2+3 at x = 2 | 1-marks |
4. | The cost of a note book is twice the cost of a pen. Write a linear equation in two variable for the statement. | 1-marks |
5. | Express 5 = 2x in the form of ax + by=c = 0 and indicate the value of a, b and c. | 1-marks |
6. | Factorize: - x2 – y2 | 1-marks |
7. | Check whether (4, 0) is a solution of equation x – 2y = 4 or not? | 1-marks |
8. | Explain parallel and perpendicular line with diagram. | 1-marks |
9. | Represent (625)-4 as positive number in lowest form. | 1-marks |
10. | Check whether is form of p(x) = lx + m or not? | 1-marks |
11. |
and
are two isosceles triangle on the same base BC, show that angle ABC =
angle ACD |
2-marks |
12. |
In figure, if AC = BD then prove that AB = CD |
2-marks |
13. | Represent or on a number line. | 2-marks |
14. | Find the value of (-15)3 + (8)3 + (7)3 without actual multiplication | 2-marks |
15. | In the given figure, AB parallel DE, angleBAC = 350,
angleCDE = 530 E, other find angle DCE = ? |
2-marks |
16. |
(1)Find four rational number between 3 and 4. (2)Evaluate 0.265 (express in p/q form). |
3-marks |
17. | Find a and B if | 3-marks |
18. | Find the value of k if x-1 is a factor of 4x3 + 3x2 – 4x + x. | 3-marks |
19. | AB and CD are respectively the smallest and largest
side of quadrilateral ABCD than show that <A> angle C and
<B> angle D <A> (OR) If the bisectors of angle B and angle C of a triangle ABC meet at o the prove that BOC = 900 + angle BAC |
3-marks |
20. |
In figure, AC = AE, AB = AD and angle BAD = angle EAC that show that
BC = DE |
3-marks |
21. | Write all the postulates of Euclid in geometry. | 3-marks |
22. | Give the geometrical representation of y = 3 in one variable and two variable on your answer sheet. | 3-marks |
23. | Triangle ABC is an isosules triangle in which AB = AC side BA is produced to D such that AD = AB then show that angel BCD = 900 | 3-marks |
24. | Factories (i) 3x2 – x – 4 (ii) 4y2 – 4y + 1 | 3-marks |
25. | Evaluate the factors of (i) 27y3 + 125Z3 (ii) 8x3 + y3 + 27Z3 – 18xy2 using suitable identify: | 3-marks |
26. | “The sum of any two side of a triangle is greater than the third side” prove it. | 5-marks |
27. | The taxi fare in a city is comprises of the first kilometer fare an is 8 and far the subsequent distance it is Rs5 per km. write a linear equation for it taxing the distance covred as x km and total fare a Rs y. Also draw its graph by taking at least four solution of it. | 5-marks |
28. | Factories p(x) = x3 + 13x2 + 32x + 20 completely using the factor theorem. | 5-marks |
29. |
(i)(i)AT line XY and MN intersect at o and angle POY = 900 with a: b = 2:3 than find the valued a, b, and c. (ii)Find the remainder when x3 – 9x2 + 6x –
a is divided by (x – a) |
5-marks |
30. |
“If a traversal intersects two parallel line than each pair of alternate introvert angle is equal” Prove it. Hence evaluate x in the figure if AB||CD and angle AMO = 50o, angel CNO = 45o |