Find the exact solutions to the quadratic equation, using a method of your choice.x2 + 6x + 9 = 0
A. -3, 3
B. 3
C. -3
D. 3 - i, 3 + i
Answer: C
You might also like to view...
Solve the problem.Factory A makes 11 model-A, 5 model-D, and 4 model-M train sets. Factory B makes 6 model-A, 8 model-D, and 8 model-M train sets. If model-A sells for $18, model-D for $22, and model-M for $35, write a 2 x 3 matrix to summarize the income by model.
A. 
B. 
C. 
D. 
Factor by grouping.xy + y + 8x + 8
A. (x + 1)(y + 8) B. (x + 1)(8y + 8) C. (8x + 8)(y + 1) D. (x + 8)(y + 1)
Solve the problem.A father wishes to distribute 16 pieces of candy among his 3 children (Abe, Betty, and Cindy) based on the number of hours each child spends doing chores around the house. Using a certain apportionment method, he has determined that Abe is to get 9 pieces of candy, Betty is to get 4 pieces, and Cindy is to get 3 pieces. However, just before he hands out the candy, he discovers that he has 17 pieces (not 16) of candy. When he apportions the 17 pieces of candy using the same apportionment method, Abe ends up with 10 pieces, Betty with 5 pieces, and Cindy with 2 pieces. This is an example of
A. the population paradox. B. the Alabama paradox. C. a violation of the quota rule. D. the new states paradox. E. none of these
Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 2y = 132x + 3y = -16
A. Parallel B. Neither C. Perpendicular