Problem 1 :
The equation 10z2 + 3z + c = 0 has a solution of
What is the value of c?
Solution :
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Problem 2 :
y = -1.5
y = x2 + 8x + a
In the given system of equations, a is a positive constant. The system has exactly one distinct real solution. What is the value of a?
Solution :
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Problem 3 :
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In the xy-plane above, the graphs of y = x2 – 4x + 5 and y = x + 1 intersect at points B and C. What is the area of the quadrilateral ABCD?
Solution :
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Problem 4 :
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In the circle shown above, AB is a diameter. AB and CE are perpendicular to each other. If AD is 2 units long and DB is 8 units long, what is DE/DB?
Solution :
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Problem 5 :
Solution :
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