11th Class ICS Mathematics Chapter 4 Test Online With Answers

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11th Class ICS Mathematics Chapter 4 Test Online

Sr. # Questions Answers Choice
1 Sum of roots of ax2 + bx + c = 0 is equal to product of roots only if: a+c=0 b+c=0 a+b=0 a+b+c=0
2 Four fourth roots of 625 are: ±5,±5i ±5,±25i ±25,±25i none of these
3 none of these
4 4 16 8 64
5 1 0 2 3
6 i
7 If one root of 2x2 + ax + 6 = 0 is 2 then the value of a is: 7 -7
8 A numbers exceeds its square root by 6, the number is: 6 3 9 none of these
9 Solution set of the simultaneous equations : x + y = 1, x - y = 1 is: {(0,0)} {(1,0)} {(0,1)} {(1,1)}
10 Equations having a common solution are called: linear quadratic homogeneous simultenaeous
11 The roots of the equation 25x2 - 30x + 9 = 0 are; rational irrational equal complex
12 In ax2 + bx + c = 0, if b2 - 4ac > 0 and perfect square the roots are: rational irrational equal complex
13 For what value of k, the roots of the equation x2 + √k x + 2 = 0 are equal: 1 8 2 4
14 If the Discriminant of a quadratic equation is a perfect square, then roots are: real and equal complex rational irrational
15 linear equation Quadraticequation cubicequation radicalequation
16 If the sum of the roots of ax2 - (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is: 1 2 3 4
17 If the roots of x2 - bx + c = 0 are two consecutive integers, then: b2 - 4ac = 0 1 -1 2
18 For what value of k, the sum of the roots of the equation x2 + kx + 4 = 0 is equal to the product of its roots: ±1 4 ±4 -4
19 If the sum of the roots of the equation kx2 - 2x + 2k = 0 is equal to their product, then the value of k is: 1 2 3 4
20 The ration of the sum and product of roots of 7x2 - 12x + 18 = 0 is: 7:12 2:3 3:2 7:18
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