Solve the system of equations by substitution.
A. x = -5, y = -2; ( -5, -2)
B. x = 5, y = 2; (5, 2)
C. x = 5, y = -2; (5, -2)
D. x = -5, y = 2; (-5, 2)
Answer: C
You might also like to view...
Write an equivalent double integral with the order of integration reversed.
A.
B.
C.
D.
Solve the system using the substitution method. If the system has no solution or an infinite number of solutions, state this. y = 3x + 43x + y = -2
A. (-1, 1) B. (1, -1) C. (1, -5) D. (-2, -2)
Solve the problem.In trying to solve a certain Traveling Salesman Problem, you find a solution with a total length of 2500 miles. If the length of the optimal solution is 2000 miles, then the relative error of your solution is
A. 400%. B. 125%. C. 25%. D. 20%. E. none of these
Evaluate the determinant.
A. 28 - ab B. 4a - 7b C. ba - 28 D. -4a + 7b