Question 3 - Nature of roots — discriminant $D=b^2-4ac$: $D>0$, $D=0$, $D<0$ Practice | Prasnya
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Question 3
00:00
Est. 2 min
Marks:
+4.00
0.00
Which of the following options is/are true?
Multiple correct
Medium Difficulty
12 February 2024
A
The point at which the slope of the equation
x
2
+
2
x
−
5
x^2+2x-5
equals
10
10
is
(
4
,
17
)
(4,17)
.
B
x
=
2
x=2
is the axis of symmetry of the quadratic function
f
(
x
)
=
x
2
+
4
x
+
5
f(x)=x^2+4x+5
.
C
If two different quadratic equations have same discriminant then the roots of both equations can be same.
D
The point at which the slope of the equation
x
2
+
2
x
−
5
x^2+2x-5
equals
10
10
is
(
4
,
19
)
(4,19)
.
