Linear Inequalities

Matching exercise

    
Match the items on the right to the items on the left.
ab > 0 or ab > 0
ab < 0 or ab < 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