The pair of equations y = 0 and y = -7 has : A. infinitely many solutions B. two solutions C. one solution D. no solution
Asked by Manisha Nayak
| 24th Sep, 2012,
06:38: PM
Expert Answer:
The equation of the line y = 0 is x-axis itself and the equation of the line y = ?7 is parallel to x-axis at a 7 units below it which are shown on a graph as shown below.

Since, these lines are parallel so, they have no common solution.
Therefore, the correct answer is D.
The equation of the line y = 0 is x-axis itself and the equation of the line y = ?7 is parallel to x-axis at a 7 units below it which are shown on a graph as shown below.
Since, these lines are parallel so, they have no common solution.
Therefore, the correct answer is D.
Answered by
| 24th Sep, 2012,
09:32: PM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Sign Up
Verify mobile number
Enter the OTP sent to your number
Change