Solve the equation by completing the square.
x2 - 
x - 
= 0
A. {2 - 
}
B. {1 + 
}
C. {2 ± 
}
D. {1 ± 
}
Answer: D
Mathematics
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Find the exact value of the expression.
A. 
B. 
C. - 
D. - 
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Solve the problem.Find the equilibrium point for the given supply and demand functions. Here p represents price and x represents quantity.
A. (30, $2640) B. (30, $2160) C. (24, $2640) D. (41, $1280)
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Translate to a system of three equations; then solve.In triangle ABC, the measure of angle B is 61° more than twice the measure of angle A. The measure of angle C is 
more than that of angle A. Find the angle measures.
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