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Let’s check out your problem:
Solve the
system of equations
.
\newline
y
=
x
2
+
14
x
+
40
y = x^2 + 14x + 40
y
=
x
2
+
14
x
+
40
\newline
y
=
38
x
−
104
y = 38x - 104
y
=
38
x
−
104
\newline
Write the coordinates in exact form. Simplify all
fractions
and radicals.
\newline
(______,______)
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Math Problems
Algebra 2
Solve a nonlinear system of equations
Full solution
Q.
Solve the system of equations.
\newline
y
=
x
2
+
14
x
+
40
y = x^2 + 14x + 40
y
=
x
2
+
14
x
+
40
\newline
y
=
38
x
−
104
y = 38x - 104
y
=
38
x
−
104
\newline
Write the coordinates in exact form. Simplify all fractions and radicals.
\newline
(______,______)
Substitute
y
y
y
into second equation:
Substitute
y
y
y
from the first equation into the second equation:
x
2
+
14
x
+
40
=
38
x
−
104
x^2 + 14x + 40 = 38x - 104
x
2
+
14
x
+
40
=
38
x
−
104
.
Rearrange equation to set to
0
0
0
:
Rearrange the equation to set it to
0
0
0
:
x
2
+
14
x
+
40
−
38
x
+
104
=
0
x^2 + 14x + 40 - 38x + 104 = 0
x
2
+
14
x
+
40
−
38
x
+
104
=
0
.
Simplify the equation:
Simplify the equation:
x
2
−
24
x
+
144
=
0
x^2 - 24x + 144 = 0
x
2
−
24
x
+
144
=
0
.
Factor the quadratic equation:
Factor the
quadratic equation
:
(
x
−
12
)
2
=
0
(x - 12)^2 = 0
(
x
−
12
)
2
=
0
.
Solve for x:
Solve for x:
x
=
12
x = 12
x
=
12
.
Substitute
x
x
x
back to find
y
y
y
:
Substitute
x
x
x
back into the first equation to find
y
y
y
:
y
=
1
2
2
+
14
×
12
+
40
y = 12^2 + 14 \times 12 + 40
y
=
1
2
2
+
14
×
12
+
40
.
Calculate y:
Calculate y:
y
=
144
+
168
+
40
y = 144 + 168 + 40
y
=
144
+
168
+
40
.
Add numbers to find y:
Add the numbers to find y:
y
=
352
y = 352
y
=
352
.
More problems from Solve a nonlinear system of equations
Question
Solve using substitution.
5
x
−
2
y
=
−
7
5x - 2y = -7
5
x
−
2
y
=
−
7
x
=
−
5
x = -5
x
=
−
5
(_,_)
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Posted 5 months ago
Question
Is
(
1
,
1
)
(1,1)
(
1
,
1
)
a solution to this system of equations?
\newline
4
x
+
10
y
=
14
4x + 10y = 14
4
x
+
10
y
=
14
\newline
x
+
6
y
=
7
x + 6y = 7
x
+
6
y
=
7
\newline
Choices:
\newline
(A) yes
\newline
(B) no
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Posted 5 months ago
Question
Which describes the system of equations below?
\newline
y
=
–
3
x
+
9
y = –3x + 9
y
=
–3
x
+
9
\newline
y
=
–
3
x
+
9
y = –3x + 9
y
=
–3
x
+
9
\newline
Choices:
\newline
(A) consistent and independent
\text{(A) consistent and independent}
(A) consistent and independent
\newline
(B) consistent and dependent
\text{(B) consistent and dependent}
(B) consistent and dependent
\newline
(C) inconsistent
\text{(C) inconsistent}
(C) inconsistent
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Posted 5 months ago
Question
Solve using elimination.
\newline
7
x
−
8
y
=
−
17
7x - 8y = -17
7
x
−
8
y
=
−
17
\newline
−
7
x
+
3
y
=
2
-7x + 3y = 2
−
7
x
+
3
y
=
2
\newline
(
_
_
_
_
,
_
_
_
_
)
(\_\_\_\_, \_\_\_\_)
(
____
,
____
)
Get tutor help
Posted 5 months ago
Question
Solve.
\newline
x
=
−
2
x = -2
x
=
−
2
\newline
−
2
x
+
2
y
=
−
8
-2x + 2y = -8
−
2
x
+
2
y
=
−
8
\newline
(
_
_
_
_
,
_
_
_
_
)
(\_\_\_\_, \_\_\_\_)
(
____
,
____
)
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Posted 9 months ago
Question
Write a system of equations to describe the situation below, solve using any method, and fill in the blanks.
\newline
At a community barbecue, Mrs. Wilkerson and Mr. Hogan are buying dinner for their families. Mrs. Wilkerson purchases
3
3
3
hot dog meals and
3
3
3
hamburger meals, paying a total of
$
36
\$36
$36
. Mr. Hogan buys
1
1
1
hot dog meal and
3
3
3
hamburger meals, spending
$
26
\$26
$26
in all. How much do the meals cost?
\newline
Hot dog meals cost
$
\$
$
_______ each, and hamburger meals cost
$
\$
$
________ each.
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Posted 9 months ago
Question
Solve the system of equations by substitution.
\newline
−
3
x
−
y
−
3
z
=
−
11
-3x - y - 3z = -11
−
3
x
−
y
−
3
z
=
−
11
\newline
z
=
5
z = 5
z
=
5
\newline
x
−
y
+
3
z
=
19
x - y + 3z = 19
x
−
y
+
3
z
=
19
\newline
(____.____,____)
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Posted 5 months ago
Question
Solve the system of equations by elimination.
\newline
x
−
3
y
−
2
z
=
10
x - 3y - 2z = 10
x
−
3
y
−
2
z
=
10
\newline
3
x
+
2
y
+
2
z
=
14
3x + 2y + 2z = 14
3
x
+
2
y
+
2
z
=
14
\newline
2
x
−
3
y
−
2
z
=
16
2x - 3y - 2z = 16
2
x
−
3
y
−
2
z
=
16
\newline
(
_
,
_
,
_
)
(\_,\_,\_)
(
_
,
_
,
_
)
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Posted 5 months ago
Question
Solve the system of equations.
\newline
y
=
x
2
+
36
x
+
3
y = x^2 + 36x + 3
y
=
x
2
+
36
x
+
3
\newline
y
=
22
x
−
37
y = 22x - 37
y
=
22
x
−
37
\newline
Write the coordinates in exact form. Simplify all fractions and radicals.
\newline
(
_
,
_
)
(\_,\_)
(
_
,
_
)
\newline
(
_
,
_
)
(\_,\_)
(
_
,
_
)
Get tutor help
Posted 5 months ago
Question
Solve the system of equations.
\newline
y
=
−
x
−
24
y = -x - 24
y
=
−
x
−
24
\newline
x
2
+
y
2
=
488
x^2 + y^2 = 488
x
2
+
y
2
=
488
\newline
Write the coordinates in exact form. Simplify all fractions and radicals.
\newline
(
_
,
_
)
(\_,\_)
(
_
,
_
)
\newline
(
_
,
_
)
(\_,\_)
(
_
,
_
)
Get tutor help
Posted 5 months ago
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Algebra - Order of Operations
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`X` and `Y` Axes
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Common Multiple
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