Write the equation for the shape described.The upper semicircle centered at (0, 0) with radius 3
A. y = 
B. y = -
C. y = 
D. y = 
Answer: C
Mathematics
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Solve the quadratic equation and express all nonreal complex solutions in terms of i.4x2 + 9 = 5x
A. 
B. 
C. 
D. 
Mathematics
Solve the system. 2x2 + xy + 2y2 = 23x2 - 5xy + 3y2 = 3
A. {(1, 0)} B. {(1, 0), (-1, 0)} C. {(1, 0), (-1, 0), (0, 1), (0, -1)} D. {(1, 0), (0, 1)}
Mathematics
Use a graphing utility to select the graph of the function
What will be an ideal response?
Mathematics
Solve the problem.A farmer has 400 yards of fencing to enclose a rectangular garden. Express the area A of the rectangle as a function of the width x of the rectangle. What is the domain of A?
A. A(x) = -x2 + 200x; {x|0 < x < 400} B. A(x) = -x2 + 200x; {x|0 < x < 200} C. A(x) = x2 + 200x; {x|0 < x < 200} D. A(x) = -x2 + 400x; {x|0 < x < 400}
Mathematics