MATH 100 Quiz 2

Name:
You may use a calculator on this quiz. You may not use a cell phone or computer. To receive full credit please show your work carefully and give justifications for your answers. If you find that you are spending a lot of time on one problem, leave it blank and move on to the next.
  1. (20 points) simplify (27x3)1/3.

     

     

  2. (20 points) Simplify (x - 2) (x2 + 3) + (x + 6).

     

     

  3. (20 points) Expand (5x + 4)2.

     

     

  4. (20 points) Factor completely: 8x3 - 8x.

     

     

  5. (20 points) Subtract the rational expressions: 4/(x+4) - 5/(x+3).

     

     

     

     

Bonus (5 points) Perform the division of rational expressions: (12x2+16)/(x-4) ÷ (15x2+20)/(x2-16).