Perform the indicated operation. Write the result in standard form.(5 + 9i)(3 - 9i)
A. 96 + 18i
B. -81i2 - 18i + 15
C. -66 + 72i
D. 96 - 18i
Answer: D
You might also like to view...
Indicate whether the graph represents a consistent, inconsistent, or dependent system.
A. Consistent B. Dependent C. Inconsistent
Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.tan ? = 1.5047547
A. 33.6064283° B. 236.393572° C. 56.3935717° D. 123.606428°
Determine whether the graph of the equation is a circle, parabola, ellipse, or hyperbola. Sketch the graph. -
= 1
A.
B.
C.
D.
Answer the following statement(s) true (T) or false (F)
1. A kite has all sides congruent. 2. Both pairs of opposite sides are parallel in a square. 3. Diagonals are congruent in a parallelogram. 4. Opposite angles are congruent in a rectangle. 5. Diagonals bisect each other in a parallelogram.