Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
The equation
k
x
2
−
4
x
+
1
=
0
kx^{2} - 4x + 1 = 0
k
x
2
−
4
x
+
1
=
0
has two distinct real roots. Which one of the following statements about
k
k
k
is true? a)
k
>
4
k > 4
k
>
4
b)
k
<
4
and
k
≠
0
k < 4 \text{ and } k \ne 0
k
<
4
and
k
=
0
c)
k
=
4
k = 4
k
=
4
d)
k
≤
4
and
k
≠
0
k \le 4 \text{ and } k \ne 0
k
≤
4
and
k
=
0
Browse the problem library