NOTE for #7: “empty set” means no values in the solution (an empty solution set). In other words, which one is a false equation.
Highlight for answers:
1-B 2-A 3-A 4-C 5-B 6-A 7-B 8-A 9-D
(source)
NOTE for #7: “empty set” means no values in the solution (an empty solution set). In other words, which one is a false equation.
Highlight for answers:
1-B 2-A 3-A 4-C 5-B 6-A 7-B 8-A 9-D
(source)