Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 5x + 1 = 0
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify the expression, using only positive exponents in your answer.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation and round as indicated.
thousandths
A. 142.639 B. 1426.393 C. 1425.893 D. 142.589
Mathematics
Solve the system by the best method. Use set notation to express the solution set.
A. {(-2, 5)} B. no solution; ? C. {(2, 5)} D. {(2, -5)}
Mathematics
Find the equation of the least-squares regression line. Graph the line and data points on the same graph.Managers rate employees according to job performance and attitude. The results for several randomly selected employees are given below.
A. y = -47.3 + 2.02x
B. y = 92.3 - 0.669x
C. y = 2.81 + 1.35x
D. y = 11.7 + 1.02x
Mathematics