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Y-Intercept
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Answered
Unanswered
Get help with y-intercept problems
Recent questions in Y-Intercept
enclinesbnnbk
2022-05-15
Answered
This is equation of a curve
y
+
x
=
A
A
is a positive constant
T
is a tangent of the curve from any point on it
B
is the y-intercept of
T
C
is the x-intercept of
T
Prove that
B
+
C
=
A
.
.
Defensorentx9
2022-05-10
Answered
Given
f
(
x
)
=
1
4
(
x
+
4
)
2
−
2
Find: vertex,
y
-intercept,
x
-intercepts (if any), axis of symmetry
What I have so far:
Vertex:
(
−
4
,
−
2
)
y
-intercept:
(
0
,
2
)
x
-intercept:
2
Axis of symmetry
x
=
−
4
Jay Barrett
2022-05-09
Answered
Find the
y
-intercept of the curve that passes through the point
(
2
,
1
)
with the slope at
(
x
,
y
)
of
−
9
y
2
d
y
d
x
=
−
9
y
2
∫
y
2
d
y
=
∫
−
9
d
x
y
3
3
=
−
9
x
+
C
1
y
3
=
−
27
x
+
C
(
C
=
3
C
1
)
y
=
(
−
27
x
+
C
)
1
/
3
1
=
(
−
27
(
2
)
+
C
)
1
/
3
C
=
54
0
=
(
−
27
x
+
54
)
1
/
3
y
−
i
n
t
e
r
c
e
p
t
=
(
−
2
,
0
)
Where is mistake?
Marissa Singh
2022-05-09
Answered
The gradient is
m
=
−
4
/
3
, and the point given is
(
3
/
2
,
3
)
Let
c
be the
y
-intercept
y
=
m
x
+
c
y
=
(
−
4
/
3
)
x
+
c
If I substitute
x
and
y
from the point given,
3
=
(
−
4
/
3
)
(
3
/
2
)
+
c
and look for
c
, I get
c
=
5
But according to my answer sheet,
c
=
33
/
8
by using
y
−
y
1
=
m
(
x
−
x
1
)
Why are the two methods giving different answers?
Jamir Melendez
2022-05-09
Answered
An equation to the tangent line of
h
(
x
)
=
tan
(
x
)
+
cos
(
x
)
is given by
y
=
m
x
+
b
where
m
is the slope and
b
is the
y
-intercept. If
x
=
π
4
find
m
.
Defensorentx9
2022-05-08
Answered
Two questions involving quadratics. Next to a diagram of a parabola with a ma point with the y intercept of
(
0
,
p
)
and roots
(
−
1
,
0
)
and
(
p
,
0
)
it says:3a) Show that the equation of the parabola is
y
=
p
+
(
p
−
1
)
x
−
x
2
3b) For what value of
p
will the line
y
=
x
+
p
be a tangent to this curve.
dresu9dnjn
2022-05-07
Answered
Need to find the
y
-intercept of the tangent to
y
=
18
x
2
+
2
at point
(
1
,
6
)
.
I keep getting
0
, but I don't think that's right.
Azzalictpdv
2022-04-06
Answered
Let
f
(
x
)
=
x
2
+
x
−
6
.
a. Write down the
y
-intercept of the graph of
f
.
how do we figure this out? I know
f
(
x
)
means
y
, so do we use the quadratic formula?
x
2
+
x
−
6
.
b. Solve
f
(
x
)
=
0
.
We plug
0
into the
x
’s in the original formula, right?
Jaime Coleman
2022-04-06
Answered
how to draw functions on a coordinate plane, and he mentioned something about the Y-Intercept being an important step in creating/solving a function. But, what exactly is a Y-Intercept?
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