Obtain the Cartesian equation of the curve by eliminating the parameter.x = 3 sec t , y = 8 tan t
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Answer: B
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Multiply and simplify. Assume that all variables represent non-negative numbers.2
(
+ 
)
A. 10
+ 10
B. 2
+ 5
C. 2
+ 5
D. 2
+ 10
Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.An electronics manufacturer lists the frequency of one of its crystals as 5.95 MHz. What are the lowest and highest possible frequencies at which the crystal may oscillate?
A. Only at 5.95 MHz B. 5.945 MHz and 5.954 MHz C. 5.94 MHz and 5.96 MHz D. 5.9 MHz and 6 MHz
Give the coordinates of the point of intersection of the linear equations.x + y = -11x - y = -1
A. (-6, -6) B. (-6, -5) C. (-5, -6) D. (-5, -5)
Tell which integer corresponds to the situation.$4081 out of debt
A. -4081 B. 4081