Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Tangent to the curve
y
=
x
2
+
6
y = x^2 + 6
y
=
x
2
+
6
at a point
(
1
,
7
)
(1, 7)
(
1
,
7
)
touches the circle
x
2
+
y
2
+
16
x
+
12
y
+
c
=
0
x^2 + y^2 + 16x + 12y + c = 0
x
2
+
y
2
+
16
x
+
12
y
+
c
=
0
at a point
Q
Q
Q
. Then the coordinates of
Q
Q
Q
are a.
(
−
6
,
−
11
)
(-6, -11)
(
−
6
,
−
11
)
b.
(
−
9
,
−
13
)
(-9, -13)
(
−
9
,
−
13
)
c.
(
−
10
,
−
15
)
(-10, -15)
(
−
10
,
−
15
)
d.
(
−
6
,
−
7
)
(-6, -7)
(
−
6
,
−
7
)
Browse the problem library