Solve the system of equations by the elimination method.0.4x + 0.7y = -0.8 x - 0.1y = 5.4
A. no solution
B. (-4, 5)
C. (0.5, -0.4)
D. (5, -4)
Answer: D
Mathematics
You might also like to view...
Use the ratio test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Determine if the given function y = f(x) is a solution of the accompanying differential equation.Differential equation: y' = e- 5x - 5yInitial condition: y(- 5) = 0Solution candidate: y = (x + 5)e- 5x
A. No B. Yes
Mathematics
Find the range of the quadratic function.f(x) = 11(x - 2)2 + 9
A. [2, ?) B. (-?, 9] C. [9, ?) D. [-9, ?)
Mathematics
Solve using Cramer's rule.
A. (6, 4) B. (-7, 4) C. (-6, 3) D. No solution
Mathematics