Multiply and write the result in standard form.-6i(-5 + 2i)2

A. -126 + 120i
B. -126i
C. -120i + 120i2 - 24i3
D. -120 - 126i


Answer: D

Mathematics

You might also like to view...

Find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint.midpoint (c, y), endpoint (m, q)

A.
B. (c - m, y - q)
C. (2c - m, 2y - q)
D. (2m - c, 2q - y)

Mathematics

Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is the distance in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 feet?

A. 8.8 sec B. 9.0 sec C. 10.0 sec D. 0.9 sec

Mathematics

Add or subtract. Assume that variables represent nonnegative values.8 + 7

A. 165
B. 15
C. 56
D. 15

Mathematics

Simplify the expression.8z + 3 - 4z + 2

A. 9z B. 4z + 1 C. 4z + 5 D. 12z + 5

Mathematics