Answer:
c. y=-3x+4
Step-by-step explanation:
to find slope
m= y2-y1
-------
x2-x1
I'm gonna use coordinates (-2,10) and (-1,7)
m= 10-7
----
-1-2
m= -3
I'm gonna use coordinate (-2,10)
Now substitute into y=-3x+b to find the y value
10=-3(-2)+b
10 =6+b
minus 6 on both sides and y=4
