Rewrite the equation by completing the square. x2 + 3x – 28 = 0 (x + )2 =
1 answer:
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Step-by-step explanation:
If you graph the new identity, and the og identiy, they will be conciding graphs, so they are the same identity.
Answer:
(x, y, z) = (-4, 2, 1)
Step-by-step explanation:
See the attachment for the output of a calculator that produces the reduced row-echelon form of the matrix.
The [x, y, z] result vector is the column on the right.
(x, y, z) = (-4, 2, 1)
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Numerous web sites are available for computing the row-reduced form of the matrix, or for solving the system of equations. Your graphing calculator will do it as well.
