Page 33 - Mathematics Class - IX

Assertion-Reason Based Questions
Assertion-Reason Based Questions
Directions for Questions 1 to 2: In each of the questions given below, there are two statements marked as
Assertion (A) and Reason (R). Mark your answer as per the codes provided below:

(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.

Q. 1. Assertion (A) : 9a –11 is a linear polynomial.
Reason (R) : A polynomial of degree 1 is called linear polynomial.

Q. 2. Assertion (A) : A linear equation 4x – 9y = 7 has a unique solution.
Reason (R) : A linear equation in two variables has infinitely many solutions.

Crossword Puzzles
Crossword Puzzles

Complete the following crossword puzzles.
1. Down

2.
1. A polynomial containing degree 3 is ___________.
3.
2. A quadratic equation can have at most ___________ zeros.
4.
3. Graph of every ___________ equation is a straight line.

5. 6. 6. 4x + 10 = 5 has ___________ solution.

Across
4. A polynomial containing two terms is ___________ .

5. Degree of the zero polynomial is ___________.

Answers

Case-Study Based Questions: 1. (b) 2. (a) 3. (a)
Assertion-Reason Based Questions: 1. (a) 2. (b)

Crossword: Down: 1. cubic 2. two 3. linear 6. one
Across: 4. binomial 5. zero

31