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Algebra I Part 2
Factoring, Solving Quadratic Equations with a ≠ 1
P. 496-497: 10-28 (Even), 40
Name: _______________________________
Factor each polynomial, if possible. If the polynomial cannot be factored using integers, write prime.
10. 5x2 + 34x + 24
12. 4x2 + 22x + 10
14. 2x2 – 3x – 9
16. 2x2 + 3x + 6
18. 12x2 + 69x + 45
20. 5x2 + 23x + 24
22. SHOT PUT An athlete throws a shot put with an initial velocity of 29 feet per second and from an initial
height of 6 feet.
a. Write an equation that models the height of the shot put in feet with respect to time in seconds.
b. After how many seconds will the shot put hit the ground?
Solve each equation. Confirm your answers using a graphing calculator.
24. 4x2 + 17x + 15 = 0
26. -2x2 + 13x = 15
28. -4x2 + 19x = -30
40. ERROR ANALYSIS Zachary and Samantha are solving 6x2 – x = 12. Is either of them correct? Explain your
reasoning.
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