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Isolate x in each inequality first.
a→ C
b→ A
c→ B
d→ D
Before we can match the inequalities with their corresponding graphs, we should solve them for x. It is not easy to visualize the graphs with the fractions.
Option | Inequality | Isolated x |
---|---|---|
a | x/m<-1 | x<- m |
b | x/m>1 | x>m |
c | x/m<1 | x |
d | -x/m<1 | x>- m |
Now we can easily match the graphs with the inequalities.
Graph A shows a positive value for m with the shading to the right. This would correspond with the inequality x>m, option b.
Graph B shows a positive value for m with the shading to the left. This would correspond with the inequality x
Graph C shows a negative value for m with the shading to the left. This would correspond with the inequality x<- m, option a.
Graph D shows a negative value for m with the shading to the right. This would correspond with the inequality x>- m, option d.