Write the expression in the form bi, where b is a real number.
A. ±9
B. -i
C. 9i
D. -9i
Answer: C
You might also like to view...
The temperature of an oven remains constant at 391 degrees Fahrenheit. A potato is placed in the oven to bake. The difference between the temperature of the oven and that of the potato after t minutes in the oven is given by 
degrees Fahrenheit. Write a formula that gives the temperature T, in degrees Fahrenheit, of the potato after t minutes in the oven.
?
A. 
B. ?
C. ?
D. ?
Find the range for the given data.Jeanne is currently taking college economics. On the past five quizzes, Jeanne got the following scores.
A. 3 B. 4 C. 18 D. 15
Determine whether or not the function f(x) = -2x² + 18x - 16 is one-to-one.
What will be an ideal response?
Find the graph of the rational function.
A. 
B. 
C. 
D. 
E. none of these