Solve each of the following systems of equations. If the system is inconsistent or dependent, say so. x - 6y = 28-4x - 7y = 12
A. (-4, -3)
B. No solution
C. (4, -4)
D. (3, -3)
Answer: C
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = x
A. Q(x) = 81x2 B. Q(x) = 9x C. Q(x) = 1 + 9x D. Q(x) = 1 - 9x
Mathematics
Solve the rational inequality.x + 
< 8
A. (-?, 0) ? (6, ?) B. (0, 2) ? (6, ?) C. (-?, 0) ? (2, 6) D. (0, 2) ? (2, 6)
Mathematics
Solve the problem.A ball is dropped from a height of 59 feet. On each bounce, it bounces to 81% of its previous height. How high does it get after the 6th bounce? (Round to the nearest hundredth, if necessary.)
A. 20.57 feet B. 222.82 feet C. 310.53 feet D. 16.66 feet
Mathematics
Solve the system.
y2 = -3x y2 = x + 8
A. (-0.8, ±
)
B. (-1, ±
)
C. (1, ±
)
D. (0.8, ±
)
Mathematics