Determine whether the vectors v and w are orthogonal.v = < -1, -1 >, w = < -32, 32 >
A. Not orthogonal
B. Orthogonal
Answer: B
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Solve the equation.4(x - 9) = 0
A. 9 B. -9 C. 4 D. -4
Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
- 2i
A. 
+ 4i
B. 
C. 
D. 
- 4i
Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to the equation.x3 + 4x2 + 9x + 36 = 0
A. -
, multiplicity 2; 3i
B. -4, 36i, 9i
C. -4, -3i, 3i
D. -4, -
, multiplicity 2
Solve the problem.April shoots an arrow upward into the air at a speed of 32 feet per second from a platform that is 19 feet high. The height of the arrow is given by the function h(t) = -16t2 + 32t + 19, where t is the time is seconds. What is the maximum height of the arrow?
A. 16 ft B. 35 ft C. 19 ft D. 18 ft