How can you tell if an inequality will have a solid line?
Answer:
The symbol has "or equal to"
Which one of these ordered pairs is part of the solution set for
y > 3x + 2?
a) (1,1)
Substitute x with 1
Substitute y with 1
1 > 5 False
b) (3,1)
Substitute x with 3
Substitute y with 1
3 > 5 False
c) (0,0)
Substitute x with 0
Substitute y with 0
0 > 2 False
d) (-1,0)
Substitute x with -1
Substitute y with 0
0 > -1 True
Ans: d) (-1,0)