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NAME_____________________ Period_____ ALGEBRA 2 6.0 RD DUE TUESDAY, FEBRUARY 23 CUMULATIVE REVIEW #7 FIVE POINTS OFF EACH DAY LATE. SCORE _____/20 NO WORK – NO CREDIT, UNLESS MARKED WITH *. WORK MUST BE WRITTEN CLEARLY AND MUST JUSTIFY YOUR ANSWER. 1. What is the vertex of the parabola with equation f(x) = 4x2 +5x 1. ________________ 2. What is the solution to w5 w3 64w2 64 2._________________ 3. Solve : (d-3)(d +5) = -12 3._________________ 4. Graph the system: x 1 y 2 y * 5. A parabola has vertex (-2,-4) and contains the point (-4, 8) Write an equation of the parabola in the form y = a(x -h)2 +k 5._____________________ Given the function : y =3(x + 4)2 -12 , find the: 6. Domain *6._____________________ 7. Range *7._____________________ 8. Zeros 8._____________________ 9. Mr. Brewster wants to put a deck along two consecutive sides of his rectangular koi pond. The pond is 20 feet by 15 feet. The deck width will be the same on both sides and the total area of the pond and deck cannot exceed 500 square feet. What widths are possible for the deck? 9.____________________ 10. Solve using your knowledge of inequalities, the zero product rule, charts and sign analysis. Graph the solution set and write the solution in interval notation. x(x +3)(x -2)(3x +2) < 0 GRAPH ANSWER HERE SHOW WORK HERE 10.__________________________