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Chapter 9
Inequalities and Absolute values
Question | Answer |
---|---|
If A = {xlx is an even integer}, B= {xlx is an odd integer}, C = {2,3,4,5}, D ={4,5,6,7} List the elements of each set. 1. C u D | {2,3,4,5,6,7} |
If A = {xlx is an even integer}, B= {xlx is an odd integer}, C = {2,3,4,5}, D ={4,5,6,7} List the elements of each set. 2. A n D | {4,6} |
-2x<-8 and x-5<5 | (4,10) |
x<4 or x<5 | (−∞,5) |
5<x-6<11 | (11,17) |
Solve : lyl = 0 You are looking for all numbers whose distance from 0 is zero units | lzl = 0 |
When the absolute value is 0 the solution exists: TRUE OR FALSE | false the solution set is {} or 0 with a line through it. |