HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter School
Pg. 815 # 23-27 Odd and 33, 40, 42
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{ π₯+3 π¦=0π₯+π¦+π§=13 π₯β π¦β π§=11
ππ . 1
10
100
100
1100
10
100
10 1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{ π₯+3 π¦=0π₯+π¦+π§=13 π₯β π¦β π§=11
ππ . 100
10 1 { π₯+3 π¦=0
π¦+β 12π§=β 1
2π§=β1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{ 2π₯β π¦βπ§=4π₯+π¦β5 π§=β4π₯β2 π¦=4
ππ .π 1βπ 2
1 100
100
1100
10
100
10 1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{ 2π₯β π¦βπ§=4π₯+π¦β5 π§=β4π₯β2 π¦=4
ππ . 100
10 1
{π₯+π¦β5 π§=β4π¦βπ§=β4π§=1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{ π₯+π¦+π§=4π₯β π¦β π§=0π₯β π¦+π¦=2
ππ . 1
100
100
1
1
00
1
0
100
10 1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{ π₯+π¦+π§=4π₯β π¦β π§=0π₯β π¦+π¦=2
ππ . 100
10 1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{π₯+2 π¦βπ§=β1π₯β π¦+π§=4
π₯β π¦β3 π§=β2
29. 1
100
βπΉπβπΉπ
100
1
100
10
100
1
0 1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{π₯+2 π¦βπ§=β1π₯β π¦+π§=4
π₯β π¦β3 π§=β2
29. 100
1
0 1 {π₯+2 π¦β π§=β1π¦+2 π§=1π§=1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{2π₯+2 π¦+7 π§=β12π₯+π¦+2π§=04 π₯+6 π¦β π§=15
ππ . [ 2 2 72 1 24 6 β1|
β1015 ]
[ 2 2 72 1 24 6 β1|
β1015 ] [π 1
72
2 1 24 6 β1
|β 12015 ]
[π 172
π β1 β54 6 β1
|β 12315 ] [π 1
72
π β1 β5π 2 β13
|β 12317 ]
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{2π₯+2 π¦+7 π§=β12π₯+π¦+2π§=04 π₯+6 π¦β π§=15
ππ . [π 172
π β1 β5π 2 β13
|β 12317 ]
[π 172
π π 5π 2 β13
|β 12β317 ] [π 1
72
π π 5π 2 β13
|β 12β317 ]
[π 172
π π 5π π β23
|β 12β323 ] [π 1
72
π π 5π π π
|β 12β3β1 ]
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter SchoolSolve each system of equations using matrices. Use the
Gaussian elimination with back-substitution or Gauss-Jordan elimination.
{2π₯+2 π¦+7 π§=β12π₯+π¦+2π§=04 π₯+6 π¦β π§=15
ππ . [π 172
π π 5π π π
|β 12β3β1 ]{π₯+π¦+ 7
2=β 1
2π¦+5π§=β3π§=β1
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter School40. Find the quadratic function for which and
{ πβπ+π=5π+π+π=34 π+2π+π=5
[ 1 β1 11 1 14 2 1|
535 ]
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter School42. Find the quadratic function for which and
HomeworkWorksheet Practice 8-1
Mrs. Rivas
International Studies Charter School42. Find the quadratic function for which and
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