A System of equations is created by using the lies that is created by the equation 3X-2Y= -4 in a line that is created by the data in the table below
What is the Y value of the solution to the system ?

A System of equations is created by using the lies that is created by the equation 3X2Y 4 in a line that is created by the data in the table below What is the Y class=

Respuesta :

Answer:

y=17

Step-by-step explanation:

System of Equations

We have an explicit equation for x and y

[tex]3x-2y= -4[/tex]

The other equation will have to be created by using the data in the table. We only need two points from the table, let's pick (-3,-9) and (-1,-5). The equation can be found by using the formula

[tex]\displaystyle y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]

Let's plug in the given points

[tex]\displaystyle y+9=\frac{-5+9}{-1+3}(x+3)[/tex]

Simplifying and rearranging:

[tex]2x-y=3[/tex]

The other equation forms the system

[tex]3x-2y= -4[/tex]

Multiplying the first equation by 3 and the second by -2

[tex]6x-3y=9[/tex]

[tex]-6x+4y=8[/tex]

Adding both equations

[tex]y=17[/tex]

[tex]2x=3+17=20[/tex]

The value of x is

[tex]x=10[/tex]