Resources
Testimonials
Plans
Sign in
Sign up
Resources
Testimonials
Plans
AI tutor
Welcome to Bytelearn!
Let’s check out your problem:
Write the standard form of
y
=
5
(
x
−
8
)
2
+
4
y=5(x-8)^{2}+4
y
=
5
(
x
−
8
)
2
+
4
View step-by-step help
Home
Math Problems
Algebra 1
Write a quadratic function from its x-intercepts and another point
Full solution
Q.
Write the standard form of
y
=
5
(
x
−
8
)
2
+
4
y=5(x-8)^{2}+4
y
=
5
(
x
−
8
)
2
+
4
Expand squared term:
Expand the squared term in the equation.
\newline
Calculation:
(
x
−
8
)
2
=
x
2
−
16
x
+
64
(x - 8)^2 = x^2 - 16x + 64
(
x
−
8
)
2
=
x
2
−
16
x
+
64
.
\newline
y =
5
(
x
2
−
16
x
+
64
)
+
4
5(x^2 - 16x + 64) + 4
5
(
x
2
−
16
x
+
64
)
+
4
.
Distribute
5
5
5
:
Distribute the
5
5
5
across the terms inside the parentheses.
\newline
Calculation:
y
=
5
x
2
−
80
x
+
320
+
4
y = 5x^2 - 80x + 320 + 4
y
=
5
x
2
−
80
x
+
320
+
4
.
Combine like terms:
Combine like terms.
\newline
Calculation:
y
=
5
x
2
−
80
x
+
324
y = 5x^2 - 80x + 324
y
=
5
x
2
−
80
x
+
324
.
More problems from Write a quadratic function from its x-intercepts and another point
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` = _____
Get tutor help
Posted 9 months 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
)
=
____
Get tutor help
Posted 9 months 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 6 months 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
______
Get tutor help
Posted 6 months 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
+
_____
Get tutor help
Posted 6 months 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
Get tutor help
Posted 6 months 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 6 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 6 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
Get tutor help
Posted 6 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
Get tutor help
Posted 6 months ago
Related topics
Algebra - Order of Operations
Algebra - Distributive Property
`X` and `Y` Axes
Geometry - Scalene Triangle
Common Multiple
Geometry - Quadrant