Fill This Form To Receive Instant Help

#### Question 1) Give the order of the following matrix; if A = [aij], identify a32 and a23

###### Math

Question 1)

Give the order of the following matrix; if A = [aij], identify a32 and a23.

 1   0   -2 -5   7   1/2 ∏   -6   11 e   -∏   -1/5

Question 2

Use Gaussian elimination to find the complete solution to each system.

 x - 3y + z = 1 -2x + y + 3z = -7 x - 4y + 2z = 0

Question 3

If AB = -BA, then A and B are said to be anticommutative.

 Are A = 0 1 -1 0 and B = 1 0 0   -1 anticommutative?

Question 4

Solve the system using the inverse that is given for the coefficient matrix.

 2x + 6y + 6z = 8 2x + 7y + 6z =10 2x + 7y + 7z = 9

The inverse of:

 2 2 2 6 7 7 6 6 7

is

 7/2 -1 0 0 1 -1 -3 0 1

Question 5

Use Cramer’s Rule to solve the following system.

 x + y = 7 x - y = 3

Question 6

Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination.

 x + 3y = 0 x + y + z = 1 3x - y - z = 11

Question 7

Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination.

 x + y - z = -2 2x - y + z = 5 -x + 2y + 2z = 1

Question 8

Use Cramer’s Rule to solve the following system.

 x + 2y = 3 3x - 4y = 4

Question 9

Use Cramer’s Rule to solve the following system.

 2x = 3y + 2 5x = 51 - 4y

Question 10

Use Cramer’s Rule to solve the following system.

 3x - 4y = 4 2x + 2y = 12

Question 11

Use Cramer’s Rule to solve the following system.

 4x - 5y - 6z = -1 x - 2y - 5z = -12 2x - y = 7

Question 12

Find the products AB and BA to determine whether B is the multiplicative inverse of A.

 A = 0 0 1 1 0   0 0 1   0

 B = 0 1 0 0 0   1 1 0   0

Question 13

Use Cramer’s Rule to solve the following system.

 x + y + z = 0 2x - y + z = -1 -x + 3y - z = -8

Question 14

Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination.

 x + y + z = 4 x - y - z = 0 x - y + z = 2

Question 15

Use Gauss-Jordan elimination to solve the system.

 -x - y - z = 1 4x + 5y = 0 y - 3z = 0

Question 16

Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists.

 3x + 4y + 2z = 3 4x - 2y - 8z = -4 x + y - z = 3

Question 17

Use Gaussian elimination to find the complete solution to each system.

 x1 + 4x2 + 3x3 - 6x4 = 5 x1 + 3x2 + x3 - 4x4 = 3 2x1 + 8x2 + 7x3 - 5x4 = 11 2x1 + 5x2 - 6x4 = 4

Question 18

Use Gaussian elimination to find the complete solution to the following system of equations, or show that none exists.

 w - 2x - y - 3z = -9 w + x - y = 0 3w + 4x + z = 6 2x - 2y + z = 3

Question 19

Use Cramer’s Rule to solve the following system.

 x + 2y + 2z = 5 2x + 4y + 7z = 19 -2x - 5y - 2z = 8

Question 20

Solve the following system of equations using matrices. Use Gaussian elimination with back substitution or Gauss-Jordan elimination.

 2x - y - z = 4 x + y - 5z = -4 x - 2y = 4

Question 21

Find the vertices and locate the foci of each hyperbola with the given equation.

y2/4 - x2/1 = 1

Question 22

Locate the foci of the ellipse of the following equation.

x2/16 + y2/4 = 1

Question 23

Find the standard form of the equation of each hyperbola satisfying the given conditions.

Center: (4, -2)
Focus: (7, -2)
Vertex: (6, -2)

Question 24

Locate the foci and find the equations of the asymptotes.

x2/100 - y2/64 = 1

Question 25

Find the standard form of the equation of each hyperbola satisfying the given conditions.

Endpoints of transverse axis: (0, -6), (0, 6)
Asymptote: y = 2x

Question 26

Locate the foci of the ellipse of the following equation.

25x2 + 4y2 = 100

Question 27

Find the standard form of the equation of the following ellipse satisfying the given conditions.

Foci: (0, -4), (0, 4)
Vertices: (0, -7), (0, 7)

Question 28

Find the standard form of the equation of the ellipse satisfying the given conditions.

Endpoints of major axis: (7, 9) and (7, 3)
Endpoints of minor axis: (5, 6) and (9, 6)

Question 29

Find the vertex, focus, and directrix of each parabola with the given equation.

(y + 3)2 = 12(x + 1)

Question 30

Convert each equation to standard form by completing the square on x or y. Then ?nd the vertex, focus, and directrix of the parabola.

y2 - 2y + 12x - 35 = 0

Question 31

Convert each equation to standard form by completing the square on x and y.

4x2 + y2 + 16x - 6y - 39 = 0

Question 32

Locate the foci and find the equations of the asymptotes.

4y2 – x2 = 1

Question 33

Convert each equation to standard form by completing the square on x and y.

9x2 + 16y2 - 18x + 64y - 71 = 0

Question 34

Convert each equation to standard form by completing the square on x or y. Then ?nd the vertex, focus, and directrix of the parabola.

x2 - 2x - 4y + 9 = 0

Question 35

Find the vertex, focus, and directrix of each parabola with the given equation.

(y + 1)2 = -8x

Question 36

Find the focus and directrix of the parabola with the given equation.

8x2 + 4y = 0

Question 37

Convert each equation to standard form by completing the square on x and y.

9x2 + 25y2 - 36x + 50y - 164 = 0

Question 38

Find the standard form of the equation of each hyperbola satisfying the given conditions.

Foci: (-4, 0), (4, 0)
Vertices: (-3, 0), (3, 0)

Question 39

Find the focus and directrix of each parabola with the given equation.

x2 = -4y

Question 40

Locate the foci and find the equations of the asymptotes.

x2/9 - y2/25 = 1

## 8.83 USD

### Option 2

#### rated 5 stars

Purchased 8 times

Completion Status 100%