Linear Inequalities
Matching exercise
Match the items on the right to the items on the left.
Check
OK
ab > 0 or
a
b
>
0
ab < 0 or
a
b
<
0
x
<
a
x
≥
a
x
>
a
a and b are of same sign
a and b are of opposite sign
- a < x < a
x
≤
-
a
or
x
≥
a
x < - a or x > a