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Let’s check out your problem:
Find the set values for
p
p
p
such that
p
x
2
+
2
x
+
4
p
<
0
px^2 + 2x + 4p < 0
p
x
2
+
2
x
+
4
p
<
0
for all
c
c
c
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Math Problems
Algebra 2
Domain and range of quadratic functions: equations
Full solution
Q.
Find the set values for
p
p
p
such that
p
x
2
+
2
x
+
4
p
<
0
px^2 + 2x + 4p < 0
p
x
2
+
2
x
+
4
p
<
0
for all
c
c
c
Identify the quadratic function:
Identify the quadratic function.
p
x
2
+
2
x
+
4
p
<
0
p x^{2} + 2 x + 4 p < 0
p
x
2
+
2
x
+
4
p
<
0
Determine the discriminant:
Determine the discriminant of the quadratic function.
\newline
Discriminant,
D
=
b
2
−
4
a
c
D = b^2 - 4ac
D
=
b
2
−
4
a
c
\newline
Here,
a
=
p
a = p
a
=
p
,
b
=
2
b = 2
b
=
2
,
c
=
4
p
c = 4p
c
=
4
p
\newline
D
=
(
2
)
2
−
4
(
p
)
(
4
p
)
D = (2)^2 - 4(p)(4p)
D
=
(
2
)
2
−
4
(
p
)
(
4
p
)
\newline
D
=
4
−
16
p
2
D = 4 - 16p^2
D
=
4
−
16
p
2
Check discriminant for negativity:
For the quadratic to be negative for all
x
x
x
, the discriminant must be less than
0
0
0
.
4
−
16
p
2
<
0
4 - 16p^2 < 0
4
−
16
p
2
<
0
Solve the inequality for p:
Solve the inequality for p.
\newline
−
16
p
2
<
−
4
-16p^2 < -4
−
16
p
2
<
−
4
\newline
p
2
>
1
4
p^2 > \frac{1}{4}
p
2
>
4
1
Take square root of both sides:
Take the square root of both sides.
p
>
1
2
p > \frac{1}{2}
p
>
2
1
or
p
<
−
1
2
p < -\frac{1}{2}
p
<
−
2
1
Confirm solution set:
Check for math errors and confirm the solution set.
\newline
No math errors detected. The solution set is correct.
More problems from Domain and range of quadratic functions: equations
Question
Solve by completing the square.
\newline
m
2
−
10
m
−
29
=
0
m^2 - 10m - 29 = 0
m
2
−
10
m
−
29
=
0
\newline
Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.
\newline
`m` = ____ or `m` = _____
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Posted 1 month ago
Question
Find
g
(
x
)
g(x)
g
(
x
)
, where
g
(
x
)
g(x)
g
(
x
)
is the translation
5
5
5
units up of
f
(
x
)
=
x
2
f(x)=x^2
f
(
x
)
=
x
2
.
\newline
Write your answer in the form
a
(
x
–
h
)
2
+
k
a(x–h)^2+k
a
(
x
–
h
)
2
+
k
, where
a
a
a
,
h
h
h
, and
k
k
k
are integers.
\newline
g
(
x
)
=
g(x)=
g
(
x
)
=
____
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Posted 1 month ago
Question
What is the range of this quadratic function?
\newline
y
=
x
2
−
4
x
+
4
y = x^2 - 4x + 4
y
=
x
2
−
4
x
+
4
\newline
Choices:
\newline
{
y
∣
y
≥
2
}
\left\{y \mid y \geq 2\right\}
{
y
∣
y
≥
2
}
\newline
{
y
∣
y
≤
0
}
\left\{y \mid y \leq 0\right\}
{
y
∣
y
≤
0
}
\newline
{
y
∣
y
≥
0
}
\left\{y \mid y \geq 0\right\}
{
y
∣
y
≥
0
}
\newline
all real numbers
\text{all real numbers}
all real numbers
Get tutor help
Posted 1 month ago
Question
Write the equation of the parabola that passes through the points
(
1
,
0
)
(1,0)
(
1
,
0
)
,
(
2
,
0
)
(2,0)
(
2
,
0
)
, and
(
3
,
–
16
)
(3,\text{–}16)
(
3
,
–
16
)
. Write your answer in the form
y
=
a
(
x
–
p
)
(
x
–
q
)
y = a(x – p)(x – q)
y
=
a
(
x
–
p
)
(
x
–
q
)
, where
a
a
a
,
p
p
p
, and
q
q
q
are integers, decimals, or simplified fractions.
\newline
______
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Posted 1 month ago
Question
Complete the square. Fill in the number that makes the polynomial a perfect-square quadratic.
\newline
f
2
+
8
f
+
_
_
_
_
_
f^2 + 8f + \_\_\_\_\_
f
2
+
8
f
+
_____
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Posted 1 month ago
Question
Solve for
h
h
h
.
\newline
h
2
+
39
h
=
0
h^2 + 39h = 0
h
2
+
39
h
=
0
\newline
\newline
Write each solution as an integer, proper fraction, or improper fraction in simplest form. If there are multiple solutions, separate them with commas.
\newline
h
=
h =
h
=
____
\newline
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Posted 1 month ago
Question
Write a quadratic function with zeros
−
9
-9
−
9
and
−
7
-7
−
7
.
\newline
Write your answer using the variable
x
x
x
and in standard form with a leading coefficient of
1
1
1
.
\newline
f
(
x
)
=
_
_
_
_
_
f(x) = \_\_\_\_\_
f
(
x
)
=
_____
Get tutor help
Posted 2 months ago
Question
Find the equation of the axis of symmetry for the parabola
y
=
x
2
y = x^2
y
=
x
2
.
\newline
Simplify any numbers and write them as proper fractions, improper fractions, or integers.
\newline
‾
\underline{\hspace{3cm}}
Get tutor help
Posted 2 months ago
Question
Find
g
(
x
)
g(x)
g
(
x
)
, where
g
(
x
)
g(x)
g
(
x
)
is the translation
8
8
8
units up of
f
(
x
)
=
x
2
f(x) = x^2
f
(
x
)
=
x
2
.
\newline
Write your answer in the form
a
(
x
–
h
)
2
+
k
a(x – h)^2 + k
a
(
x
–
h
)
2
+
k
, where
a
a
a
,
h
h
h
, and
k
k
k
are integers.
\newline
g
(
x
)
=
g(x) =
g
(
x
)
=
______
\newline
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Posted 2 months ago
Question
Solve for
x
x
x
.
\newline
x
2
=
1
x^2 = 1
x
2
=
1
\newline
\newline
Write your answer in simplified, rationalized form.
\newline
x
=
x =
x
=
______ or
x
=
x =
x
=
______
\newline
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Posted 2 months ago