Question

Std:- IX :-4:- Sub:- Mathematics

(Q. No. 16 – Q. No. 20) Answer the following

16. If x = 2 is a zero of the polynomial f(x) =

, find the value of a.

17. A line passes through the point (- 4,6) and is parallel to x-axis. Write the

equation of the line.

18. Write the coordinates of a point such that x and y . Also write the

quadrant in which it lies.

19. Name the quadrilateral formed by joining consecutive mid-points of the sides

of a rhombus.

OR

If one angle of a quadrilateral is 60 and others are equal, find the angles.

20. In ∆ABC, A = B + C. Find the measure of A.

SECTION- B

21. Express 18. in the form of p/q where p and q are integers and q ≠ 0 .

22. Examine whether x – 1 is a factor of the polynomial



.

OR

Factorize:





23. Age of x is 10 years more than the age of y. Express this statement in the form

of ax + by + c = 0 and write the values of a, b and c.

24. Write the sign of abscissa if a point lies on:

i) second quadrant

ii) fourth quadrant

25. In the given figure, find the value of x.with words​

Answer 1

Answer:

38733o3u739373637388

Answer 2

Answer:

16.p(x)=2

20.if ABC is equilateral so

√A=√B plus √C

so AplusBplusC=180

Aplus60plus60=180(equilateral triangle)

120plus√A=180

√A=180-120

√A=60

Note:√is=angle

Hope this will. help. you