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1. Write the general form of a quadratic polynomial
A. ax2 + bx + c where a, b and c are real numbers
B. ax2 + bx + c=0
C. ax2 + bx + c where a, b and c are real numbers and a is not equal to zero.
D. ax2 + bx + c or bx + ax2 + c or c+ bx + ax2
2. One of the roots of the quadratic equation 6x2 - x - 2 = 0 is:
A. -2/3
B. -1/2
C. 1/2
D. -1
6. If 4 is a root of the equation , then k is
A. -28
B. -12
C. 12
D. 28
7. If 8 is a root of the equation x2 - 10x + k = 0, then the value of k is:
A. 2
B. -8
C. 16
D. 8
9. The solution of 5z2 = 3z is
A. 0, 3/5
B. 0, -3/5
C. 3/5
D. 0
10. Which of the following equations has 2 as a root?
A. 2x2 - 7x + 6 = 0
B. x2 + 3x - 12 = 0
C. 3x2 - 6x - 2 = 0
D. x2 - 4x + 5 = 0
11. Which of the following equations has the sum of its roots as 3?
A. 3x2-3x+3=0
B. 2x2-3x+6=0
C. -x2+3x-3=0
D. x2+5x+6=0
12. Which of the following in not a quadratic equation:
A. (x - 2)2 + 1 = 2x - 3
B. (x + 2)2 = x3 - 4
C. x(2x + 3) = x2 + 1
D. x(x + 1) + 8 = (x + 2) (x - 2)
13. If x = -2 is a root of equation x2 - 4x + K = 0 then value of K is
A. 8
B. -8
C. -12
D. 12
14. The same value of x satisfies the equations 4x + 5 = 0 and 4x2 + (5 + 3p)x + 3p2=0, then p is
A. 0 or ¼
B. 0 or ½
C. 0 or 5/4
D. ¼ or ½
15. If x = 1 is a root of equation x2 - Kx + 5 = 0 then value of K is
A. 4
B. 6
C. -6
D. 5
17. If x = 1 is a common root of the equation x2 + ax - 3 = 0 and bx2 - 7x + 2 = 0 then ab =
A. 10
B. -3
C. 6
D. 7
18. If the area of a rectangle is 24 m2 and its perimeter is 20 m, the equation to find its length and breadth would be:
A. x2 - 10x + 24 = 0
B. x2 + 1 2x + 24 = 0
C. x2 - 10x - 24 = 0
D. x2 + 10x + 28 = 0
19. If x = 2 is a root of equation x2 + 3x - k = 0 then value of k is
A. 12
B. 8
C. 10
D. 7
22. The value of q if x = 2 is a solution of 8x2 + qx - 4 = 0 is _____
A. 14
B. -28
C. -14
D. 28
24. Zeroes of the quadratic polynomial ax2 + bx + c and roots of the quadratic equation ax2 + bx + c = 0 are --------
A. Equal to zero
B. Different
C. Same
D. Either same or different
26. The solution of x2 + 4x + 4 = 0 is
A. None of these
B. 2
C. -2
D. 0
27. If x2 + 2 kx + 4 = 0 has a root x = 2, then the value of k is?
A. 2
B. -2
C. -4
D. -1
28. Solve 9x2 = 36
A. ±2
B. ±6
C. ±4
D. 2
29. The value/s of x when (x - 4) (3x + 2) = 0 ________
A. 4, -2/3
B. -4, - 2/ 3
C. 4, 2/3
D. -4, 2/3
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