Solve by the method of your choice.2x2 + xy - y2 = 3x2 + 2xy + y2 = 3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Provide an appropriate response.Graph y = - tan x and its derivative together on 
. Is the slope of the graph of 
ever positive? Explain.
What will be an ideal response?
Mathematics
Using the appropriate right triangle, find the exact value of the trigonometric expression.tan 45°
A. 
B. 
C. 1
D. 
Mathematics
Provide the proper response.Give four examples of using percent of increase or percent of decrease in your own activities.
What will be an ideal response?
Mathematics
Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 - 9x + 18 ? 0
A. (-?, 3] B. (-?, 3] ? [6, ?) C. [6, ?) D. [3, 6]
Mathematics