Decide whether the statement is true or false. If it is false, tell why.If k is a positive number, then the equation -x2 = -64k has no real solutions.
A. True
B. False; the equation is equivalent to x2 = 64k, where x2 and 64k are positive, so it will have two real solutions
C. False; the equation is equivalent to x2 = 64k, where x2 and 64k are positive, so the equation will have one real number solution
Answer: B
You might also like to view...
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.(-1)2/3
A. -1
B. 0
C. 1
D. - 
Find three cube roots for the complex number. Leave your answers in trigonometric form.
?
?
A. 
B. 
C. 
D. 
E. 
Solve. If an object is propelled upward from a height of 240 feet at an initial velocity of 32 feet per second, then its height h, in feet, after t seconds is given by the expression 
Factor the expression. After how many seconds will the object hit the ground?
A. -16(t - 3)(t + 5); 3 sec B. -16(t - 3)(t - 5); 3 sec C. -16(t + 3)(t + 5); 5 sec D. -16(t + 3)(t - 5); 5 sec
Find the sum of the sequence.
A. 96 B. 4 C. 12 D. 8