Answer:
-4
Step-by-step explanation:
We can find the slope when given two points by using the following
m = (y2-y1)/(x2-x1)
= (-7--19)/(-2 -1)
= (-7+19)/(-2-1)
= 12/-3
=-4
20m-6
C. 6x+3
Because 3 is outside of the parentheses so it has to multiply everything inside the parentheses.
3*2x is 6x.
3*1 is 3.
This results in 6x+3.
B
