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.__________________________