Determine whether the given ordered pair is a solution of the system.(2, 1)3x + y = 74x + 3y = 11
A. solution
B. not a solution
Answer: A
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Solve the problem.Find the amount of money in an account after 9 years if $2500 is deposited at 8% annual interest compounded quarterly.
A. $4997.51 B. $5099.72 C. $5123.83 D. $5064.54
Use the REGRESSION feature on a graphing calculator.The average retail price in the Spring of 2000 for a used Camaro Z28 coupe depends on the age of the car as shown in the following table.
Find the quadratic model that best estimates this data. Round your answer to whole numbers.
A. y = -1551x + 18,790x B. y = 102x2 - 2576x + 20,669 C. y = -9x3 + 235x2 - 3134x + 21,252 D. y = 102x2 - 2576x
Find the product.5 ? 28
A. 40 B. 135 C. 140 D. 1400
Determine whether the statement is true or false.Consider the simplex method for a canonical linear programming problem. If x is an extreme point of the feasible set and if the objective function cannot be decreased by moving along any of the edges of the feasible set which join at x, then x is an optimal solution.
A. True B. False