Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 = 14
A. {±7}
B. {
}
C. {±
}
D. {±8}
Answer: C
Mathematics
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Provide an appropriate response.If x represents a positive integer, how would you express its negative?
Fill in the blank(s) with the appropriate word(s).
Mathematics
The graphing calculator screens show a system and the point of intersection. Choose the screen which best represents the given system.y = 2x - 9y = -2x + 3
A. 
B. 
C. 
D. 
Mathematics
Determine two pairs of polar coordinates for the point with 0° ? ? < 360°.(2
, 6)
A. (4
, 60°), (-4
, 240°)
B. (4
, 30°), (-6
, 330°)
C. (4
, 30°), (-4
, 330°)
D. (4
, 300°), (-4
, 60°)
Mathematics
Find the derivative of the function.y = 9 sin (7x - 2)
A. 
= 9 cos (7x - 2)
B. 
= -7 cos (7x - 2)
C. 
= 63 cos (7x - 2)
D. 
= 7 sin (7x - 2)
Mathematics