NCERT Mathematics Class 10 Exemplar Ch 3 Pair of Linear Equations in Two Variables Part 3 (For CBSE, ICSE, IAS, NET, NRA 2023)
Get unlimited access to the best preparation resource for CBSE/Class-10 : get questions, notes, tests, video lectures and more- for all subjects of CBSE/Class-10.
EXERCISE 3.2
1. Do the following pair of linear equations have no solution? Justify your answer.
(i) and
(ii) and
(iii) and
Answer: (i) Yes (ii) No (iii) No
2. Do the following equations represent a pair of coincident lines? Justify your answer.
(i) and
(ii) and
(iii) and
Answer: (i) No (ii) Yes (iii) No
3. Are the following pair of linear equations consistent? Justify your answer.
(i) and
(ii) and
(iii) and
(iv) and
Answer: (i) No (ii) Yes (iii) Yes (iv) No
4. For the pair of equations and To have infinitely many solutions, the value of λ should be 1. Is the statement true? Give reasons.
Answer: No
5. For all real values of c, the pair of equations and have a unique solution. Justify whether it is true or false.
Answer: False
6. The line represented by is parallel to the x – axis. Justify whether the statement is true or not.
Answer: Not true