Q1. For x^2 - 3x + 2 = 0, what is the product of roots?
A
11
B
2
C
5
D
8
Product of roots = c/a = 2/1 = 2.
Q2. For x^2 - 16x + 48 = 0, what is the sum of roots?
A
14
B
13
C
16
D
18
For ax^2+bx+c=0, sum = -b/a. Here sum = 16.
Q3. Find roots of x^2 + 14x + 48 = 0
A
6, 8
B
-6, -8
C
6, -8
D
-6, 8
x^2 + 14x + 48 = (x+6)(x+8). Roots are -6 and -8.
Q4. Find roots of x^2 + 12x + 32 = 0
A
-4, 8
B
4, 8
C
-4, -8
D
4, -8
x^2 + 12x + 32 = (x+4)(x+8). Roots are -4 and -8.
Q5. Find roots of x^2 + 5x + 6 = 0
A
-2, 3
B
2, -3
C
-2, -3
D
2, 3
x^2 + 5x + 6 = (x+2)(x+3). Roots are -2 and -3.
Q6. For x^2 - 8x + 15 = 0, what is the product of roots?
A
15
B
9
C
18
D
12
Product of roots = c/a = 15/1 = 15.
Q7. For x^2 - 12x + 36 = 0, what is the sum of roots?
A
9
B
10
C
14
D
12
For ax^2+bx+c=0, sum = -b/a. Here sum = 12.
Q8. Find roots of x^2 + 6x + 8 = 0
A
-4, 2
B
4, -2
C
4, 2
D
-4, -2
x^2 + 6x + 8 = (x+4)(x+2). Roots are -4 and -2.
Q9. For x^2 - 16x + 55 = 0, what is the sum of roots?
A
16
B
18
C
13
D
14
For ax^2+bx+c=0, sum = -b/a. Here sum = 16.
Q10. For x^2 - 24x + 144 = 0, what is the sum of roots?
A
24
B
22
C
26
D
21
For ax^2+bx+c=0, sum = -b/a. Here sum = 24.
Q11. For x^2 - 23x + 132 = 0, what is the sum of roots?
A
21
B
23
C
25
D
20
For ax^2+bx+c=0, sum = -b/a. Here sum = 23.
Q12. For x^2 - 7x + 6 = 0, what is the product of roots?
A
3
B
6
C
9
D
0
Product of roots = c/a = 6/1 = 6.
Q13. For x^2 - 10x + 9 = 0, what is the sum of roots?
A
12
B
10
C
8
D
7
For ax^2+bx+c=0, sum = -b/a. Here sum = 10.
Q14. For x^2 - 13x + 22 = 0, what is the sum of roots?
A
11
B
10
C
15
D
13
For ax^2+bx+c=0, sum = -b/a. Here sum = 13.
Q15. For x^2 - 21x + 108 = 0, what is the sum of roots?
A
18
B
21
C
23
D
19
For ax^2+bx+c=0, sum = -b/a. Here sum = 21.
Q16. Find roots of x^2 + 11x + 30 = 0
A
5, 6
B
5, -6
C
-5, 6
D
-5, -6
x^2 + 11x + 30 = (x+5)(x+6). Roots are -5 and -6.
Q17. For x^2 - 11x + 10 = 0, what is the product of roots?
A
7
B
10
C
4
D
13
Product of roots = c/a = 10/1 = 10.
Q18. For x^2 - 13x + 30 = 0, what is the sum of roots?
A
11
B
10
C
15
D
13
For ax^2+bx+c=0, sum = -b/a. Here sum = 13.
Q19. For x^2 - 15x + 56 = 0, what is the product of roots?
A
50
B
59
C
56
D
53
Product of roots = c/a = 56/1 = 56.
Q20. For x^2 - 19x + 88 = 0, what is the sum of roots?
A
17
B
16
C
21
D
19
For ax^2+bx+c=0, sum = -b/a. Here sum = 19.