Find the value of p so that px2 - 8x + 4 = 0 has equal roots
3
4
5
6
Which of the following is a quadratic equation ?
x + 1/x + x4 = 0
x3 - 7x2 + 3x - 5 = 0
3x2 - 5x + 3 = x2 - x + 1
x + 7/x - 3x3 = 0
Find the roots of the equation 3x2 - 300 = 0
3 and 6
6 and 5
10 and -10
5 and -5
If the discriminant of 7x2 + mx = 0 is 9 .The values of m are
7 and -7
3 and -3
4 and 3
0 and 9
Find the discriminant of the quadratic equation 5x2 + 12x - 9 = 0
224
324
342
424
Find the value of k for which the equation 4x2 - 12x + k = 0 has equal roots
8
7
9
If the equation 2x2 + 3x + k = 0 has only one solution then k = ______________
-9/8
9/8
0
2
9x2 - 30x + 25 = 0 the nature of the roots is
It has no solution
only one solution
Two different solution
One is the reciprocal of the other
The sum of a number and its reciprocal is 26/5. Find the numbers
13 and 2
6 and 1/6
5 and 1/5
3 and 1/3
The positive value x of the equation (2x + 5)2 = 169 is
13
13/2