Find a parametrization for the line segment joining the points.(5, 0, 5), (0, -5, 0)
A. x = -4t, y = 6t - 5, z = -4t, 0 ? t ? 1
B. x = -4t + 5, y = 6t, z = -4t + 5, 0 ? t ? 1
C. x = 5t, y = 5t - 5, z = 5t, 0 ? t ? 1
D. x = -5t + 5, y = -5t, z = -5t + 5, 0 ? t ? 1
Answer: D
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Use properties to perform the calculations. Express answer in simplest form.
+ 
A. 
B. 
C. - 
D. - 
Write the first four terms of the sequence.an = 
A. 
, - 
, 
, - 
B. - 
, 
, - 
, 
C. - 
, 
, - 
, 
D. 
, - 
, 
, - 
Solve the problem.The resistance, in ohms, of a 25 foot piece of wire is given by the function 
, where d is the diameter of the wire in inches. What happens to the resistance of the wire as the diameter of the wire decreases?
A. The resistance remains constant. B. The resistance decreases. C. The resistance increases. D. The answer cannot be determined without additional information.
Find the cofactor of the indicated element of the matrix shown.a33;
A. -8 B. 7 C. -7 D. 8