Answer:
C
Step-by-step explanation:
substitute -1 into all of the formulas, if both sides are equal, then it is correct, for C:
2(x-2)+6 = 0, sub -1
2(-1-2)+6=0, simplify and work out
2(-3)+6=0
-6+6=0
0=0
Answer:
1
Step-by-step explanation:
nxp= -5 x -2 (negative times a negative is positive) -5 x -2= 10 m/10=10/10 = 1
3/8 would be the correct slope, so D. He did not make a mistake. That is the correct slope.