Review for Math 112 Test #1 Solutions
1. Solve for x :   |
2. Solve for x :  all real number :  |
3. Solve for x : 
Multiply by LCD :12
4. Solve for x:  .Multiply by LCD :  
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ck:
|
checks!
5. Solve for x:  
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6. Solve for x:   |
7. Use the square root property to solve :
8. Use the square root property to solve:
9. Solve by completing the square :  |
10. Solve by completing the square:
  |
11. Solve by the quadratic formula :
12. Solve by the quadratic formula :
13. Solve by the quadratic formula :
14. Solve the equation : 
|
ck:  so 
checks! |
15. Solve the equation :
16. Solve the equation : 
|
ck:
|
so 
checks!
checks!
17. Solve the equation:   |
ck:
|
so 
checks!
18. Solve the equation:  |
ck:
so |
and
both check!19. Solve the equation
Critical Numbers
Test Intervals
Test Values
so the answer is only the one that works:
20. Solve the equation:
Critical Numbers
Test Intervals
Test Values
so the answers are only the ones that work:
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