The first line in the system of equations is graphed on the coordinate plane. Graph the second line to find the solution to the system

the given system is  

The first line is already graphed.

We want to graph

We can do this by plotting two points and drawing a straight line through them.

When we choose x=0, we substitute into the equation and solve for y.

So we plot (0,-4)

Also, when y=0, we substitute and solve for x.

So we plot the point (-4,0)

We now use a straight edge to draw a straight line through these two points to obtain the graph shown in the attachment.Step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

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