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Let’s check out your problem:
(
x
+
13
2
)
(
x
−
13
2
)
=
0
\left(x+\frac{13}{2}\right)\left(x-\frac{13}{2}\right)=0
(
x
+
2
13
)
(
x
−
2
13
)
=
0
\newline
How many distinct real solutions does the given equation have?
\newline
Choose
1
1
1
answer:
\newline
(A)
0
0
0
\newline
(B)
1
1
1
\newline
(C)
2
2
2
\newline
(D)
3
3
3
View step-by-step help
Home
Math Problems
Algebra 2
Solve a quadratic equation using the zero product property
Full solution
Q.
(
x
+
13
2
)
(
x
−
13
2
)
=
0
\left(x+\frac{13}{2}\right)\left(x-\frac{13}{2}\right)=0
(
x
+
2
13
)
(
x
−
2
13
)
=
0
\newline
How many distinct real solutions does the given equation have?
\newline
Choose
1
1
1
answer:
\newline
(A)
0
0
0
\newline
(B)
1
1
1
\newline
(C)
2
2
2
\newline
(D)
3
3
3
Question Prompt:
question_prompt: "How many distinct real solutions does the given equation
(
x
+
13
2
)
(
x
−
13
2
)
=
0
(x+\frac{13}{2})(x-\frac{13}{2})=0
(
x
+
2
13
)
(
x
−
2
13
)
=
0
have?"
Set First Factor:
Step
1
1
1
: Set the first factor,
(
x
+
13
2
)
(x+\frac{13}{2})
(
x
+
2
13
)
, equal to
0
0
0
.
Solve for x:
Step
2
2
2
: Solve for x, so
x
=
−
13
2
x = -\frac{13}{2}
x
=
−
2
13
. That's one solution.
Set Second Factor:
Step
3
3
3
: Now set the second factor,
x
−
13
2
x-\frac{13}{2}
x
−
2
13
, equal to
0
0
0
.
Solve for x:
Step
4
4
4
: Solve for x again, so
x
=
13
2
x = \frac{13}{2}
x
=
2
13
. That's another solution.
Total Distinct Real Solutions:
Step
5
5
5
: We got two solutions,
x
=
−
13
2
x = -\frac{13}{2}
x
=
−
2
13
and
x
=
13
2
x = \frac{13}{2}
x
=
2
13
, so there are
2
2
2
distinct real solutions.
More problems from Solve a quadratic equation using the zero product property
Question
The function
h
h
h
is defined over the real numbers. This table gives a few values of
h
h
h
.
\newline
\begin{tabular}{lllll}
\newline
x
x
x
&
−
6
-6
−
6
.
1
1
1
&
−
6
-6
−
6
.
01
01
01
&
−
6
-6
−
6
.
001
001
001
&
−
5
-5
−
5
.
9
9
9
\\
\newline
\hline
h
(
x
)
h(x)
h
(
x
)
&
−
0
-0
−
0
.
25
25
25
&
−
0
-0
−
0
.
74
74
74
&
−
0
-0
−
0
.
98
98
98
&
−
1
-1
−
1
.
0
0
0
\newline
\end{tabular}
\newline
What is a reasonable estimate for
lim
x
→
−
6
h
(
x
)
\lim _{x \rightarrow-6} h(x)
lim
x
→
−
6
h
(
x
)
?
\newline
Choose
1
1
1
answer:
\newline
(A)
−
6
-6
−
6
\newline
(B)
−
2
-2
−
2
\newline
(C)
−
1
-1
−
1
\newline
(D) The limit doesn't exist
Get tutor help
Posted 10 months ago
Question
What is the amplitude of
\newline
g
(
x
)
=
−
2
sin
(
π
2
x
−
3
)
+
5
?
g(x)=-2 \sin \left(\frac{\pi}{2} x-3\right)+5 ?
g
(
x
)
=
−
2
sin
(
2
π
x
−
3
)
+
5
?
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the amplitude of
y
=
5
sin
(
4
x
−
2
)
−
3
y=5 \sin (4 x-2)-3
y
=
5
sin
(
4
x
−
2
)
−
3
?
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the amplitude of
y
=
−
3
cos
(
π
x
+
2
)
−
6
?
y=-3 \cos (\pi x+2)-6 ?
y
=
−
3
cos
(
π
x
+
2
)
−
6
?
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the amplitude of
y
=
3
sin
(
2
x
−
1
)
+
4
y=3 \sin (2 x-1)+4
y
=
3
sin
(
2
x
−
1
)
+
4
?
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the period of the function
h
(
x
)
=
−
3
cos
(
π
x
+
2
)
−
6
?
h(x)=-3 \cos (\pi x+2)-6 ?
h
(
x
)
=
−
3
cos
(
π
x
+
2
)
−
6
?
\newline
Give an exact value.
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the period of the function
\newline
h
(
x
)
=
5
sin
(
4
x
−
2
)
−
3
?
h(x)=5 \sin (4 x-2)-3 \text { ? }
h
(
x
)
=
5
sin
(
4
x
−
2
)
−
3
?
\newline
Give an exact value.
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the period of the function
g
(
x
)
=
2
cos
(
7
x
+
5
)
+
1
?
g(x)=2 \cos (7 x+5)+1 ?
g
(
x
)
=
2
cos
(
7
x
+
5
)
+
1
?
\newline
Give an exact value.
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the period of the function
f
(
x
)
=
3
sin
(
2
x
−
1
)
+
4
f(x)=3 \sin (2 x-1)+4
f
(
x
)
=
3
sin
(
2
x
−
1
)
+
4
?
\newline
Give an exact value.
\newline
units
Get tutor help
Posted 10 months ago
Question
What is the period of the function
f
(
x
)
=
−
4
cos
(
5
x
−
9
)
−
7
f(x)=-4 \cos (5 x-9)-7
f
(
x
)
=
−
4
cos
(
5
x
−
9
)
−
7
?
\newline
Give an exact value.
\newline
units
Get tutor help
Posted 10 months ago
Related topics
Algebra - Order of Operations
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`X` and `Y` Axes
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Common Multiple
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