1st Year Business Maths Chapter 3 TestUNIT 3: Linear, Quadratic & Simultaneous Equations

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Product of roots of equation ax²+bx+c=0

   1. 

   2. 

   3. 

   4. 

2. The roots of quadratic equation 2x²-5x+3=0 are:

   1. Real and equal

   2. Real and unequal

   3. Imaginary

   4. None of these

3. 5x+7=0 is a:

   1. Non-linear equation

   2. Quadratic equation

   3. Cubic equation

   4. Linear equation

4. If 5 times a number is 115 then the number is:

   1. 21

   2. 27

   3. 23

   4. 19

5. Linear equation is one variable has:

   1. One root

   2. Two roots

   3. Three roots

   4. Four roots

6. Standard formula of quadratic equation is:

   1. ax+b=0

   2. ax²+bx=0

   3. ax²=0

   4. ax²+bx+c=0

7. Solution set of x+y=12, x-y=8 is:

   1. {(10,2)}

   2. {(4,2)}

   3. {(8,1)}

   4. {(4,6)}

8. If 6x+90=0 then x is equal to:

   1. 15

   2. 20

   3. 10

   4. -15

9. The point ot remember for reciprocal equation is that the coefficient from the beginning and end are:

   1. equal

   2. Not equal

   3. May or may not equations

   4. None of these

10. System of simultaneous equation is solved by:

    1. factorization

    2. Subtraction or addition

    3. Substitution

    4. Both b and c