1. 
Which of the following is not a polynomial equation? > 5x^{3}  7x + 9 = 3x^{4} + 2x + 7

2. 
The polynomial (abc)^{2}  100b^{4} factors completely as > (abc  10b^{2})(abc + 10b^{2})

3. 
Factor the polynomial 6x^{2} + 53x  40. > (6x + 5)(x  8)

4. 
Which of the following polynomials is not a factor of 2x^{5}  x^{4} + 21x^{3}? > x^{3}

5. 
Factor the polynomial 25x^{2}  30xy + 9y^{2}. > (5x + 3y)(5x  3y)

6. 
If (3x + a)(x + b) = 3x^{2} + 2x + 40, what are a and b? > a = 10, b = 4

7. 
What polynomial has roots 3, 5, and 7? > (x3)(x  5)(x + 7)

8. 
To factor 12x^{2} + 17x + 6 by grouping, we should first rewrite the polynomial as > 12x^{2} + 8x + 9x + 6

9. 
Which of the following polynomial equations has no real number solutions? > x^{2} + 9 = 0

10. 
Find the roots of the polynomial x^{3} + 9x^{2}  20x. > 0, 4, 5
