SOLUTION: 1. Under what conditions will the expression a+b be negative? 2. Under what conditions will the expression a√b be negative? 3. Under what conditions will the express

Algebra ->  Signed-numbers -> SOLUTION: 1. Under what conditions will the expression a+b be negative? 2. Under what conditions will the expression a√b be negative? 3. Under what conditions will the express      Log On


   

Question 898077: 1. Under what conditions will the expression a+b be negative?
2. Under what conditions will the expression a√b be negative?
3. Under what conditions will the expression a÷b be positive?
4. Under what conditions will the expression ab3 be negative?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a%2Bb%3C0
a%3C-b
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a%2Asqrt%28b%29%3C0
Since sqrt%28b%29%3E=0 then only when a%3C0
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a%2Fb%3C0 when either a%3C0 and b%3E0 or a%3E0 and b%3C0
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ab%5E3%3C0 when either a%3C0 and b%3E0 or a%3E0 and b%3C0