Put these smallest to largest
1. -3√2
2. √9
3. 2√3
4. -2√7
rewrite them all as just radicals, and then it is easy to compare them:
1. -√18
2. √9
3. √12
4. -√28
or, convert to decimals, but that's more work...
1. -3√2
2. √9
3. 2√3
4. -2√7
1. -√18
2. √9
3. √12
4. -√28
or, convert to decimals, but that's more work...