Purchase Solution

Systems of Equations

Not what you're looking for?

Ask Custom Question

These are questions that I got wrong on a test..can someone show me how to do these?

________
Solve the equation by graphing.
2x-3y=12

3y-2x=-12

is this equation independent inconsistent or dependent?
__________________________________________

Solve the equation by graphing.

3x-y=4

3x-y=0

is this equation independent inconsistent or dependent?
___________________________________________

Solve using the substitution method.
3y=x+5

3x-9=-10

is this equation independent inconsistent or dependent?
_________________________________________________

Solve using the substitution method.
x=1/8y-1
y=1/4x+39

is this equation independent inconsistent or dependent?
_________________________________________________________

Solve by the addition method

x+3(y-1)=11
2(x-y)+8y=28

is this equation independent inconsistent or dependent?
_________________________________________________________

Solve by the addition method

1/3x-1/6y=1/3
1/6x+1/4y=0

is this equation independent inconsistent or dependent?
_________________________________________________________

Solve the compound equality. state the solution set using interval notation to graph it.

Attachments
Purchase this Solution

Solution Summary

Various step-by-step examples of solving systems of linear equations.

Solution Preview

These are questions that I got wrong on a test..can someone show me how to do these?

________
Solve the equation by graphing.
2x-3y=12

3y-2x=-12

Graph is attached.
The lines are the same, so there are infinite solutions, and this is dependent.

is this equation independent inconsistent or dependent?
__________________________________________

Solve the equation by graphing.

3x-y=4

3x-y=0

Graph is attached.
The lines are parallel and never meet, so there are no solutions. This is "inconsistent".

is this equation independent inconsistent or dependent?
___________________________________________

Solve using the substitution method.
3y=x+5

3x-9=-10
(I'm guessing ...

Purchase this Solution


Free BrainMass Quizzes
Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Probability Quiz

Some questions on probability