Which Symbol?
symbol for less than
<
less than 18 people are allowed in the gallery
p < 18?
SOLVE: x - 9 < 18
x < 27
SOLVE: 3m > 15
m > 5
Is the graph of the solution for x > 7 an OPEN or CLOSED dot?
OPEN
symbol for greater than
>
there are fewer than 8 fish in the aquarium
f < 8?
SOLVE: p - 3 ≤ 4
p ≤ 7?
SOLVE: 25c ≤ 200
c ≤ 8
Is the graph of the solution for x ≥ 7 an OPEN or CLOSED dot?
CLOSED
symbol for greater than or equal to
≥
the water level is above 45 inches
w > 45?
SOLVE: k + 54 < 65
k < 11
SOLVE: c ÷ 10 ≤ 12
c ≤ 120
Which direction do you shade the graph of the solution for x > 7 ? LEFT or RIGHT
RIGHT
symbol for less than or equal to
≤
can fit 35 tables or less in the cafeteria
What is t ≤ 35?
SOLVE: 12 + k ≥ 19
k ≥ 7
SOLVE: 15p ≤ 45
p ≤ 3
Which direction do you shade the graph of the solution for x < 7 ? LEFT or RIGHT
LEFT
symbol for not equal to
╘
need to save at least $25
c ≥ 25
SOLVE: k + 3.2 ≥ 8
k ≥ 4.8
SOLVE: 1/2d < 10
d < 20
Graph the solution for x ≤ 7 .
OPEN or CLOSED dot
shade to the LEFT or RIGHT
CLOSED dot and shade to the LEFT