Question

1. Parabola in Fig. 1 opens ______

2. Parabola in Fig. 2 opens _______

3. In Fig. 1, parabola intersects x-axis at ______ point(s).

4. Number of zeroes of the given polynomial is ________.

5. Parabola in Fig. 2 intersects x-axis at ______ point(s).

6. Number of zeroes of the given polynomial is ______.

7. Parabola in Fig.3 intersects x-axis at ______ point(s).

8. Number of zeroes of the given polynomial is _______.

9. Maximum number of zeroes which a quadratic polynomial can have is

_________​

Answer 1

Given : 3 Different parabolas  in Fig1  , 2 and 3

To Find :  Fill in the blank

Solution:

1. Parabola in Fig. 1 opens  DOWNWARD

2. Parabola in Fig. 2 opens  UPWARD

3. In Fig. 1, parabola intersects x-axis at __2____ point(s).  

(- 3 , 0) and ( 4, 0)

4. Number of zeroes of the given polynomial is  2

5. Parabola in Fig. 2 intersects x-axis at __1____ point(s).  

(0 , 0)

6. Number of zeroes of the given polynomial is  1 .

7. Parabola in Fig.3 intersects x-axis at None  point(s).

8. Number of zeroes of the given polynomial is 0.

9. Maximum number of zeroes which a quadratic polynomial can have is

2  

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