Find 
.y = 
A. 
B. 
C. 
D. 
Answer: D
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Use the inverse power method to determine the smallest eigenvalue of the matrix A.Assume that the eigenvalues are roughly 1.3, 2.1, and 15.A = 
A. 5 B. 2 C. 1.5 D. 1.3
Solve.9x - (5x - 1) = 2
A. x = 
B. x = - 
C. x = 
D. x = - 
Find values of x, y, and ? that satisfy the system. These systems arise in certain optimization problems in calculus, and ? is called a Lagrange multiplier.
?
?
?
A. ?x = 24, y = -49, ? = 24 B. ?x = -49, y = 48, ? = -49 C. ?x = 24, y = 48, ? = -49 D. x = 24, y = -49, ? = -49 E. ?x = 24, y = 48, ? = 48
Find the unknown sides of the right triangle (see illustration). Round your answer to the appropriate number of significant digits.
A. b = 39.9 km, c = 44.5 km B. b = 22.0 km, c = 39.9 km C. b = 32.5 km, c = 38.0 km D. b = 9.74 km, c = 8.73 km E. b = 17.7 km, c = 9.74 km