Chapter 3: Algebra - Online Test

Q1. If the roots of the equation q2x2 + p2x + r2  = 0 are the squares of the roots of the equation qx2 + px + r = 0 , then q, p,are in _____
Answer : Option B
Explaination / Solution:


Q2. Graph of a linear polynomial is a
Answer : Option A
Explaination / Solution:


Q3. The number of points of intersection of the quadratic polynomial x2 + 4x + 4 with the X axis is
Answer : Option B
Explaination / Solution:


Q4. For the given matrix A =  the order of the matrix AT is
Answer : Option D
Explaination / Solution:


Q5. If A is a 2 ×3 matrix and B is a 3 ×4 matrix, how many columns does AB have
Answer : Option B
Explaination / Solution:


Q6. If number of columns and rows are not equal in a matrix then it is said to be a
Answer : Option B
Explaination / Solution:
No Explaination.


Q7. Transpose of a column matrix is
Answer : Option D
Explaination / Solution:
No Explaination.


Q8. Find the matrix X if 2X + 
Answer : Option B
Explaination / Solution:


Q9.

Which of the following can be calculated from the given matrices


, (i) A2 (ii) B2 (iii) AB (iv) BA

Answer : Option B
Explaination / Solution:


Q10. If . Which of the following statements are correct? 

Answer : Option A
Explaination / Solution:
No Explaination.