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
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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