Answer:
Y = -1/2 x
Step-by-step explanation:
To write the equation in slope intercept form
Y = mx + c
C is y-intercept
the graph is passing through centre. That means y-intercept is zero.
so C=0
To find m which is slope,
[tex] \frac{rise}{run} [/tex]
rise = 10
run= -20
[tex] \frac{10}{ - 20} \\ \frac{ - 1}{2} [/tex]
So
[tex]y = \frac{ - 1}{2} x[/tex]
