Write the expression in the form a + bi, where a and b are real numbers.
A. 1 + i
B. 1 + 10i
C. 1 - i
D. 1 - 10i
Answer: A
You might also like to view...
Solve the problem.The sum of the measures of the angles of a triangle is 180°. The sum of the measures of the angles of a rectangle is 360°. Use the inequality symbol ? or ? to write a statement comparing the numbers 180 and 360.
A. 180 ? 360 B. 180 ? 360
Solve the problem.Suppose that 
= 6x2 + 5x - 2. Find f(x).
A. 6x2 + 5x - 2
B. 2x3 + 
x2 - 2x
C. 12x + 5
D. 2x3 + 2x2 - 2x - 9
Solve the system by the elimination method.8x - 66 = 6y6x + 4y = 58
A. {(9, 1)} B. {(9, 2)} C. {(8, 2)} D. ?
When two railroad tracks merge, the overlapping portions of the tracks are in the shapes of circular arcs (see figure). The radius of each arc r (in feet) and the angle ? are related by
?
?
Write a formula for x in terms of cos ?.
?
?
A. ?
B. ?
C. 
?
D.
?
E.
?