Is the following statement ‘True’ or ‘False’?Justify your answer.

Every quadratic equation has at least one real root.

Say whether the following statements are right or wrong.

1. Sayali was travelling in space for the first time. 

2. Many changes had occurred on the earth in the hundred years before Sayali’s trip to the moon. 

3. There were no old cities left on the earth. 

4. Sayali’s mother did not want her to go on the trip. 

5. There were no human settlements on the moon. 

6. Sayali made a hasty purchase. 

7. Sayali did not understand the mistake she had made.