IM1 Systems of Equations Unit 6

Which of the following are methods for solving systems of equations? Select all that apply!

If a system of equations has infinite solutions it will look like ​ (a)  

If a system of equations has one solution it will look like ​ (b)  

If a system of equations has NO solution it will look like ​ (c)  

$$y=3x-1$$

Graph it

Graph the line $$y=\frac{-1}{3}x+1$$

Solve the system of equations

$$y=3x-1$$

$$y=-\frac{1}{3\ }x+1$$

Solve this system of equations using the method of your choice

$$y=x+2$$

$$4x+3y=-15$$

What is the result of the correct first step to solve this system of equations by elimination?

$$9x+8y=22$$

$$-5x-8y=-30$$

Select the coordinate point that is a solution to this system of equations using your method of choice.

$$8x-2y=-14$$

$$9x-8y=13$$

When using substitution to solve this system of equations, what is the result of the first step?

$$x=3-3y$$

$$x+3y=-6$$

If elimination is the method used to solve this system of equations, what is the result of the first step?

$$-7x+2y=13$$

$$5x+2y=1$$