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Let’s check out your problem:
Determine an equation for the pictured graph. Write your answer in factored form.
\newline
Remember to start with
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
…
\mathrm{f}(\mathrm{x})=a\left(x-r_{1}\right)\left(x-r_{2}\right) \ldots
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
…
\newline
y
=
y=
y
=
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Math Problems
Precalculus
Find the roots of factored polynomials
Full solution
Q.
Determine an equation for the pictured graph. Write your answer in factored form.
\newline
Remember to start with
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
…
\mathrm{f}(\mathrm{x})=a\left(x-r_{1}\right)\left(x-r_{2}\right) \ldots
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
…
\newline
y
=
y=
y
=
Identify Roots:
Identify the roots of the polynomial from the graph.
Write Factors:
Write down the factors corresponding to the roots. If the roots are
r
1
r_1
r
1
and
r
2
r_2
r
2
, the factors are
(
x
−
r
1
)
(x - r_1)
(
x
−
r
1
)
and
(
x
−
r
2
)
(x - r_2)
(
x
−
r
2
)
.
Multiply Factors:
Multiply the factors to get the polynomial in factored form.
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
f(x) = a(x - r_1)(x - r_2)
f
(
x
)
=
a
(
x
−
r
1
)
(
x
−
r
2
)
.
Determine Coefficient:
Determine the leading coefficient
a
a
a
if it's given or can be inferred from the graph. If not given, assume
a
=
1
a = 1
a
=
1
.
Write Final Equation:
Write the final equation using the identified roots and the leading coefficient.
More problems from Find the roots of factored polynomials
Question
Find the degree of this polynomial.
\newline
`5b^{10} + 3b^3`
\newline
_______
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Posted 2 months ago
Question
Subtract.
\newline
(
9
a
+
5
)
−
(
2
a
+
4
)
(9a + 5) - (2a + 4)
(
9
a
+
5
)
−
(
2
a
+
4
)
\newline
____
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Posted 2 months ago
Question
Find the product. Simplify your answer.
\newline
−
3
v
2
(
v
2
−
9
)
-3v^2(v^2 - 9)
−
3
v
2
(
v
2
−
9
)
\newline
________
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Posted 1 month ago
Question
Find the product. Simplify your answer.
\newline
(
v
−
3
)
(
4
v
+
1
)
(v - 3)(4v + 1)
(
v
−
3
)
(
4
v
+
1
)
\newline
______
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Posted 2 months ago
Question
Find the square. Simplify your answer.
\newline
(
3
y
+
2
)
2
(3y + 2)^2
(
3
y
+
2
)
2
\newline
______
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Posted 2 months ago
Question
Divide. If there is a remainder, include it as a simplified fraction.
\newline
(
24
t
2
+
36
t
)
÷
6
t
(24t^2 + 36t) \div 6t
(
24
t
2
+
36
t
)
÷
6
t
\newline
______
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Posted 2 months ago
Question
Is the function
q
(
x
)
=
x
6
−
9
q(x) = x^6 - 9
q
(
x
)
=
x
6
−
9
even, odd, or neither?
\newline
Choices:
\newline
[[even][odd][neither]]
\text{[[even][odd][neither]]}
[[even][odd][neither]]
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Posted 2 months ago
Question
Find the product. Simplify your answer.
\newline
−
3
q
2
(
−
3
q
2
+
q
)
-3q^2(-3q^2 + q)
−
3
q
2
(
−
3
q
2
+
q
)
\newline
______
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Posted 2 months ago
Question
Find the product. Simplify your answer.
\newline
(
r
+
3
)
(
4
r
+
2
)
(r + 3)(4r + 2)
(
r
+
3
)
(
4
r
+
2
)
\newline
______
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Posted 2 months ago
Question
Find the roots of the factored polynomial.
\newline
(
x
+
7
)
(
x
+
4
)
(x + 7)(x + 4)
(
x
+
7
)
(
x
+
4
)
\newline
Write your answer as a list of values separated by commas.
\newline
x
=
x =
x
=
____
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Posted 2 months ago