(a)
To show:
There is no real number solution for the given system using graphing calculator and to find the complex solution by substitution method or elimination-by-addition method.
(b)
To show:
There is no real number solution for the given system using graphing calculator and to find the complex solution by substitution method or elimination-by-addition method.
(c)
To show:
There is no real number solution for the given system using graphing calculator and to find the complex solution by substitution method or elimination-by-addition method.
(d)
To show:
There is no real number solution for the given system using graphing calculator and to find the complex solution by substitution method or elimination-by-addition method.
(e)
To show:
There is no real number solution for the given system using graphing calculator and to find the complex solution by substitution method or elimination-by-addition method.
(f)
To show:
There is no real number solution for the given system using graphing calculator and to find the complex solution by substitution method or elimination-by-addition method.
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Chapter 10 Solutions
Intermediate Algebra
- Solve: 8x-4y=-4 4y=3x+14 Student Work: &x-4y=-4 8x-4y=-4 4y=3r+14+(-3x+4y3D14) 5x 10 5 5 x=2 -3x-3x 8(2)-4y=-4 16-4y=-4. -16 -16 4y=-20 4 4 ソ=-5 (2,-5) What mistake did this student make? They did not change the 2nd equation to standard form When combining the two equations 8x-3x should be -11x Oy 5 not -5 Ox= -2 not 2arrow_forwardsolve # 2arrow_forwardurgent need plz fast.with peice of paperarrow_forward
- Traffic flow. In the analysis of traffic flow, a certain city estimates the following situation for the "square" of its downtown district. In the following figure, the arrows indicate the flow of traffic. If x₁ represents the number of cars traveling between intersections A and B, x2 represents the number of cars traveling between B and C, x3 the number between C and D, and x4 the number between D and A, we can formulate equations based on the principle that the number of vehicles entering an intersection equals the number leaving it. That is, for intersection A we obtain 200+x4 = 100+x₁ Formulate equations for the traffic at B, C, and D. Solve the system of these four equations. Out 100 In 300 200 A X1 B Out 200 34 Out 800 D 5 x2 C In 200 In 500 Out 100arrow_forward(2 points) Solve the system X1 x2 x3 X4 || 7 -3 5 1 +s -1 1 -1 1 X1 X1 +x2 x2 +x3 x3 +x4 +x4 = = 2 5 7 = =arrow_forwardUse MatLab or any other software for this complex problem. Please screenshot and send the solution.arrow_forward
- Solve the problem by the simplex method: min ₁2x4+x5 +9 X3 X4 + 2x5 X2 X3 + 2x4- X5 X1, X2, X3, X4, X5 ≥ 0 2 = 1arrow_forwardFind all solutions of the system of equations.arrow_forward(b) To find the daily optimum production number of Portland cement in a factory, one needs to solve the following equations based on the ingredient of cement. The unknowns are lime, x1; silica, x2; alumina, x3; and iron oxide, X4. 10x1 – x2 + 2x3 = 6 -X1 + 11x2 – x3 + 3x4 = 25 2x1 - x2 + 10x3 – X4 = -11 3x2 - x3 +8x4 = 15 Use the Gauss-Seidel iterative technique to find approximate solutions to XỊ, X2, X3, and x4. Starting with x (0, 0, 0, 0)" and iterating until max{]x(*+1) – x(k)} < e = 0.0005arrow_forward
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