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Algebra 3-4 Factoring Day 1 Factor using GCF 1. 6x2 – 2x Name______________________________ 2. x2 – 7x Factor using product/sum 6. x2 + x – 30 7. x2 – 2x – 99 3. 12x2 – 8x 4. 20x2 + 25x 5. 27x2 – 6x 8. x2 – 6x – 27 9. x2 + 14x + 33 10. x2 + 12x + 36 Factor using “bottoms up’ 11. 2x2 – x – 3 12. 3x2 + 29x – 10 13. 6x2 – 5x – 4 13. 12x2 – 8x + 1 14. 2x2 – 11x – 40 15. 5x2 + 17x – 12 Factor using difference of squares 16. x2 – 36 17. x2 – 169 18. 36x2 – 25 19. 81x2 – 16y2 20. A baseball is hit with an initial velocity of 80 feet per second. Ignoring the height of the baseball player, (a) how long does it take for the ball to hit the ground? (Use h(t) = -16t2 + vot). (b) What is the domain on this problem? 21. A cannonball is shot with an initial velocity of 55 feet per second. Ignoring the height of the cannon, (a) how long does it take for the cannon to hit the ground? (Use h(t) = -16t2 + vot). (b) What is the domain on this problem? SOLVE the following equations (you have to determine which method to use….) 22. x2 – 3x = 10 23. 6x2 + 11x – 2 = 0 24. x2 = 100 25. 8x2 – 14x = - 3 26. 6x2 = 7x 27. X2 = 6x – 8 Review 2.1-2.4 28. Given the following function, fill in the blanks and graph the function. 1 𝑦 = − 2 𝑥 2 + 3𝑥 + 2 y a) x-intercept(s): ____________________________ b) y-intercept(s): ____________________________ c) Vertex: ____________ Domain: ____________________ 29. Find the average rate of change Where x = 1 and x = 2 Where x = 2 and x = 4 Which is greater? Range:____________________ x