I’m not sure, I would try to help but I seem to have lost my notes.
♥ Which sets of numbers are closed under addition?
♥ Choose all answers that are correct.
A.
whole numbers
B.
natural numbers
C.
negative integers
D.
<span>integers
♥are all closed under addition.
♥Therefore ALL are right. </span>
Answer:
Step-by-step explanation:
y=mx+b where m=slope and b=y intercept
m=(y2-y1)/(x2-x1), we have points (0,0) and (4,12)
m=(12-0)/(4-0)=12/4=3
y=3x+b, using point (4,12) we can solve for b
12=3(4)+b
12=12+b
b=0 so the line is
y=3x
