Question

Write the equation of the line in fully simplified slope-intercept form.

Y
12
11
10
9
8
7
6
5
4
3
2
1
-12-11-10 -9 -8 -7 -6 -5 -4 -3 -2 -1
1
2 3 4 5 6 7 8 9 10 11 12
-2
-3
-4
-5
-6
-8
-9
-10
-11
-12

Answer 1

Y=Mx+b

Rise / run between any two points = slope (m)
Where the line crosses the y axis is (yint) (b)

Slope is -1/2
Yint = -8

So the equation is y=(-1/2)x - 8