Solve the equation.
= -1
A. {-1}
B. {1}
C. {1, -1}
D. no real solution
Answer: D
You might also like to view...
Find the probability of the event.If you are dealt two cards successively (without replacement) from a standard 52-card deck, find the probability of getting a black on the first card and a heart on the second.
A. 
B. 
C. 
D. 
Solve the problem.A(x) = -0.015x3 + 1.05x gives the alcohol level in an average person's blood x hrs after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Would a person be drunk after 7 hours?
A. No B. Yes
Find the probability.110 tickets were sold at a raffle. If you have 8 tickets and there are two prizes, what is the probability of your winning both prizes?
A. 
B. 
C. 
D. 
Solve the inequality.(a + 4)(a - 4)(a - 5) > 0
A. (-4, 4) or (5, ?) B. (5, ?) C. (-?, -4) or (4, 5) D. (-?, 4)