Discriminant
Trending Questions
If the discriminant of the quadratic equation 4x2 + px + 25 = 0 is 0, find the value of p, given that p is a natural number.
10
20
30
-20
Find the value of k if the quadratic equation x2+4x−k=0 has real and distinct roots.
k<−4
k>−4
k≤−4
k≥−4
Find the discriminant of the equation: 2x2−3x−4=0
41
-41
-43
43
Find the value of b if the equation x2−x+b=0 does not possess real roots.
b > 18
b > 14
b > 12
b > 1
The equation k2x2+kx+1=0 has :
one real root
two real roots
no real roots
equal roots
The roots of equation, x2 + 1 = 0, are
- (1, 1)
- (1, -1)
- (1, 2)
- Has no roots
The discriminant of the equation 2x2−5x−2=0 is =
State true or false. The discriminant for general quadratic equation ax2+bx+c=0 is b2–4ac.
True
False
If the equation x2+2(k+2)x+9=0 has equal roots, then find the values of k.
1, 4
–1, 5
1, –5
–1, –4
The discriminant of the quadratic equation 3x2−4x−2=0 is
40
20
24
48