

Solve the system by the addition method. 4x-5y 5 3x-7y-6 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. There is exactly one solution. The solution set is O B. Simplify your answer. Type an ordered pair.) There are infinitely many solutions. The solution set is (xy)4x-5y 5) or (x y)3x-7y6) C. The solution set is Ø.
Solve the following system by the substitution method. Check
the solution.
Solve the following system by the substitution method. Check the solution. 3x + 4y = 33 X = y +4 Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The system has a single solution. The solution set is { } (Simplify your answer. Type an ordered pair.) O B. There are infinitely many solutions. The solution set is...
Solve the system using either Gaussian elimination with back-substitution or Gauss-Jordan elimination. (If there is no solution, enter NO SOLUTION. If the system has an infinite number of solutions, set y = t and solve for x in terms of t.) −3x + 5y = −35 3x + 4y = −1 4x − 8y = 52
Solve the system of equations by the addition method. 6x-2y -28 7x+7y=-14 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution is (Simplify your answer Type an ordered pair) There are infinitely many solutions B. O C. There is no solution.
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Question 6 Solve using Matrices 2x – 3y + 2z = 13 3x – 4y – 3z = 1 3x +y – z = 2 infinite number of solutions No Solution O (-1,2,1) (2,-1,3)
Solve the following system using technology: 3x +y -6z 30 +w 7y -5y +4z -2w 53 -8x +2 -78 6x +9w 51 3x +6y +10z +8w 80 e) What are the solutions to this system? If it has infinitely many, show the formulas for calculating values for each variable. Briefly describe your method: say what you had the calculator do, show what it displayed on the f) screen, and explain how you translated that to your answer in part (a)....
(1 point) Use the substitution method to solve the system: 2x + 7y = -24 3.C - 8y = 38 The solution is: = y=
3. Solve the system of equations: (-x - 7y = 14 1-4X – 14y = 28 4. Solve the system of equations: 3x - 2y = 2 (5x - 5y = 10 5. Solve the system of equations: (2x + 8y = 6 1-x - 4y = -3
show work for both
Solve the equation by making an appropriate substitution. 14) (x2 - 2x) - 23x2 - 2x)+ 120 - 0 answer {-3, -2, 5,4} Solve the radical equation, and check all proposed solutions. 15) V6x + 16 - answer {8}
Solve the following system using technology: 3x +y -6z 30 +w 7y -5y +4z -2w 53 -8x +2 -78 6x +9w 51 3x +6y +10z +8w 80 e) What are the solutions to this system? If it has infinitely many, show the formulas for calculating values for each variable. Briefly describe your method: say what you had the calculator do, show what it displayed on the f) screen, and explain how you translated that to your answer in part (a)....