2x1+2x2+4x3 = −12
x1+6x2−8x3 = −6
x1−2x2+9x3 = −8
Let A be the coefficient matrix and X the solution matrix to the system. Solve the system by first computing A−1 and then using it to find X.
I have solved inverse A, how do I apply it to find X?
since Ax = B
A^-1 AX = A^-1 B
X = A^-1 B
Which of the following represents all solutions (x,y) to the system of equations created by the linear equation and the quadratic equation y=x^2+9
After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example.
Find the zeros of the function algebraically. (Enter your answers as a comma-separated list.) f(x) = 2x2 − 3x − 20 x =
(please solve step by step) solving equation (6x+2)/4 + (2x²-1)/(2x²+2) = (10x-1)/4x we got roots as
Use the Gauss-Jordan method to find all the solutions of the system -3x1 +2x2 -x3 +6x4 = -7 7x1 -3x2 +2x3 -11x4 = 14 x1 -x4 = 1 It is a 3x5 matrix -3 2 -3 6 -7 7 -3 2 -11 14 1 0 0 -1 1 Using the Gauss-Jordan method, I got 1 0 0 -1 1 0 1 0 2 5/3 0 0 1 1 2
system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that
Find parametric equations for the tangent line to the curve of intersection of the paraboloid z = x2 + y2 and the ellipsoid 6x2 + 5y2 + 7z2 = 39 at the point (−1, 1, 2)
How many real number solutions exist for 2x2 8x 8 = 0?
If the zero of the polynomial x2 + px +q and double of the zero of 2x2 - 5x-3 respectively find values of p and q?
1.) Which best describes a system of equations that has no solution? A. Consistent, independent B. inconsistent, dependent C. consistent, dependent D. inconsistent** 2.) How many solutions does this system have? 2x+y=3 6x=9-3y A. one B. none C. infinite**
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