Answer:
Explanation:
slope= y2-y1/x2-x1 ----> 3-2/1-3 ----> 1/-2 ----> slope=-1/2
slope intercept form is y=mx+b. (b is the y-intercept, and m is the slope.)
y=-1/2x+b
we need to find b so you plug in one of the points and isolate b.
3=-1/2(1)+b
+1/2 on both sides to move it over.
3.5=b
FULL EQN: y=-1.2x+3.5