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 value of m such that 2mx2 - 40x + 25 = 0 has equal roots
4
8
12
-6
The roots the equation x2 - 4x - 45 = 0 are ___________
5 and 9
-9 and 5
-9 and -5
9 and -5
The solution of ax2 + bx + c = 0 when b2 = 4ac is ____________
Only one
Two different solution
No solution
Inverse solution
The non zero root of the equation x (x - 6) = 0 is
3
6
-3
The positive root of the equation x2 + 3x - 28 = 0 is
5
Find the value of k for which the equation 4x2 - 12x + k = 0 has equal roots
7
9
9x2 - 30x + 25 = 0 the nature of the roots is
It has no solution
only one solution
One is the reciprocal of the other
The area of a triangle is 30cm2. Find the base are, if the altitude exceeds the base by 7 cm
-5
The sum of n consecutive odd natural numbers starting from 11 given by the relation S = n (n + 10) if the sum is 375 find n.
15
17
19
21
