1st Year Mathematics 1st Quarter Book Paper

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

1. If f:  is a function such that rang , then f is called a/an ...... function:

   1. Onto

   2. Injective

   3. Bijective

   4. Into

2. To solve absolute value quadratic function we must illuminate roots which are:

   1. Real

   2. Imaginary

   3. Extraneous

   4. Double

3. The (0,0) solution of the system a₁x+b₁y=0 and a₂x+b₂y=0 is called ......:

   1. Consistent

   2. Inconsistent

   3. Non-trivial

   4. Trivial

4. Multiplicative inverse of (1,0) is:

   1. (-1,0)

   2. (0,1)

   3. (0,-1)

   4. (1,0)

5. Point of intersection f(x)=2x+5 and g(x)= -x+5 is a point which satisfies:

   1. f(x)

   2. g(x)

   3. Both f(x) and g(x)

   4. None

6. Inverse of a quadratic function should be:

   1. Into

   2. Onto

   3. One to one

   4. Not to one

7. For homogeneous linear equations, system AX=0 non-trivial solution is possible if IAI = ......:

   1. Non-zero

   2. Zero

   3. Negative

   4. Positive

8. If 

   1. -2-3

   2. 2-3

   3. -2+3

   4. 2+3

9. A bijective function is ......:

   1. Both one-one and onto

   2. One-one but not onto

   3. Onto, but not one-one

   4. Neither one-one nor onto

10. Name the type of equation .

    1. Radical

    2. Reciprocal

    3. Rational

    4. None of these

11. The inverse of a square matrix exists if A is:

    1. Singular

    2. Non singular

    3. Symmetric

    4. Rectangular

12. If Z is complex number, then  is:

    1. Z²

    2. 

    3. 

    4.