1. Colegio San Patricio
Math Review First Period Exam
School Year 2009-2010
Name: _____________________________________________ L.N._____________
Date: ______________________________________________ 9th. _____________
I. Factor and Solve the following Quadratic Equations:
Factorization Solutions
1. x² - 25 _________________________ _______________________
2. 4x² - 81 ________________________ _______________________
3. 3x² + 11x +10 _________________________ _______________________
4. 9x² - 16 _________________________ _______________________
5. x² + 6x + 9 _________________________ _______________________
6. x² - 4x + 4 _________________________ _______________________
7. 9x² + 24x + 16 _________________________ _______________________
8. 16x² - 40x + 25 _________________________ _______________________
9. x² + 5x – 36 _________________________ _______________________
10. 5x² + 4x-1 __________________________ _______________________
11. x² + 12x + 36 __________________________ _______________________
12. 4x² - 16x __________________________ _______________________
13. x² - 20x + 96 __________________________ _______________________
14. 3x² - 27x __________________________ _______________________
II.- Multiply polynomials
15. (3x – 2) (5x + 7) _____________________________________
16. (2x – 3) (6x – 9) _____________________________________
17. (x2) ( -2x2 + 5x – 4) _____________________________________
18. (2x4 ) (4x2 + 8x + 12) _____________________________________
19. (2x + 4)2 _____________________________________
20. (8x – 3) 2 _____________________________________
21. (5x – 4) (10x2-8x+5) _____________________________________
22. (6x – 10) (6x + 10) _____________________________________
23.(2x-3) (5x2 + 7x -3) _____________________________________

2. III.- Fill the table using discriminat.
24 and 25 Values Discrimiant # solutions X1 and x2
2x2=x+21 a= X1=
b= X2=
c=
2
9x -25=0 a= X1=
b= X2=
c=
IV.- Solve for “x”:
26) x2-12=74 27) 5x2 = 30
28)3/4 x2 = 30 29) (9x – 5) 2 = 100
30) (2/3 x + 9) 2 = 16 31) (7 – 5x) 2 = 9
V. Solve for “x” use your calculator
32) 33)
5± 2 9 -2 ± 6 7
7 5
VI. Problem solving (Fractal and Notebook)
VI.Add and Subtract Polynomials