Question

asked 2021-03-29

Solve the system. If the system does not have one unique solution, also state whether the system is onconsistent or whether the equations are dependent.

2x-y+z=-3

x-3y=2

x+2y+z=-7

2x-y+z=-3

x-3y=2

x+2y+z=-7

asked 2020-10-23

Determine if (1,3) is a solution to the given system of linear equations.

\(5x+y=8\)

\(x+2y=5\)

asked 2020-10-27

Determine if (1,3)is a solution to given system of linear equations

\(y-2x=3\)

\(3x-2y=5\)

asked 2021-03-28

Find all the solutions of the system of equations:

x+2y-z=0, 2x+y+z=0, x-4y+5z=0.

x+2y-z=0, 2x+y+z=0, x-4y+5z=0.

asked 2020-11-09

Write the augmented matrix for the system of linear equations

2y-z=7

x+2y+z=17

2x-3y+2z=-1

2y-z=7

x+2y+z=17

2x-3y+2z=-1

asked 2021-03-15

Use back-substitution to solve the system of linear equations.

\(\displaystyle{b}{e}{g}\in{\left\lbrace{c}{a}{s}{e}{s}\right\rbrace}{x}&-{y}&+{5}{z}&={26}\backslash&\ \ \ {y}&+{2}{z}&={1}\backslash&&\ \ \ \ \ {z}&={6}{e}{n}{d}{\left\lbrace{c}{a}{s}{e}{s}\right\rbrace}\)

(x,y,z)=()

\(\displaystyle{b}{e}{g}\in{\left\lbrace{c}{a}{s}{e}{s}\right\rbrace}{x}&-{y}&+{5}{z}&={26}\backslash&\ \ \ {y}&+{2}{z}&={1}\backslash&&\ \ \ \ \ {z}&={6}{e}{n}{d}{\left\lbrace{c}{a}{s}{e}{s}\right\rbrace}\)

(x,y,z)=()

asked 2020-11-30

Use Cramer’s Rule to solve (if possible) the system of linear equations.

2x-y=-10

3x+2y=-1

2x-y=-10

3x+2y=-1

asked 2021-03-12

(5,3)

\(x-y=2\)

\(x+y=8\)

asked 2021-05-09

For the equation, a. Write the value or values of the variable that make a denominator zero. These are the restrictions on the variable. b. Keeping the restrictions in mind, solve the equation.

3/(x + 3) = 5/(2x + 6) + 1/(x - 2)

3/(x + 3) = 5/(2x + 6) + 1/(x - 2)

asked 2021-02-19

For the given a system of linear equations

4x+y-5z=8

-2x+3y+z=12

3x-y+4z=5

Use matrix inversion to solve simultaneous equations.

4x+y-5z=8

-2x+3y+z=12

3x-y+4z=5

Use matrix inversion to solve simultaneous equations.