Find all real and imaginary solutions.x3 + 5x2 + 9x + 45 = 0
A. {-5, ±3i}
B. {-5, ±}
C. {-5, 45i, 9i}
D. {-, ±3i}
Answer: A
You might also like to view...
Solve the problem.How many ways can a president, vice-president, and secretary be chosen from a club with 12 members?
A. 6 B. 220 C. 36 D. 1320
Factor completely. If the polynomial cannot be factored, write prime.x2 + 3x - 108
A. (x - 12)(x + 9) B. (x - 12)(x + 1) C. (x + 12)(x - 9) D. Prime
Perform the indicated operations given the matrices.Let A = and B =
; 3A + B
A.
B.
C.
D.
Solve.From a 15-inch by 15-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of an inch, that will yield the maximum volume.
A. 2.5 inches B. 2.8 inches C. 3.1 inches D. 2.3 inches