Factor the polynomial completely.x4 - 8x2 - 9
A. (x2 - 9)(x2 + 1)
B. (x - 3)2(x2 + 1)
C. (x + 3)(x - 3)(x + 1)(x - 1)
D. (x + 3)(x - 3)(x2 + 1)
Answer: D
You might also like to view...
Solve the problem. Round to the nearest hundredth if necessary.A cylindrical flower vase is 7 inches across the top and about 12 inches high. How many cubic inches of water could it hold? Use 3.14 as the approximate value of ?.
A. 1846.32 in.3 B. 923.16 in.3 C. 461.58 in.3 D. 527.52 in.3
Solve the problem.Martin saves $5 on the first day of a 40-day period, $10 on the second day, and so on. For the next 40 days, he increases the amount saved by $10 each day (instead of $5 each day). How much will he have saved after 80 days?
A. $20,600 B. $20,300 C. $20,200 D. $20,400
Solve the problem.The amount of particulate matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for n = 0 and n = 5. (Round to the nearest whole number.)
A. 800, 25 B. 800, 12,800 C. 800, 50 D. 1600, 50
Determine whether the following is a difference of squares.36x2- 19y2
A. No B. Yes