Describe all least-squares solutions of the equation Ax = b. 1 1 0 3 10 1 A = 11 0 1 b = 5 10 1 5 The least-squares solutions are all vectors of the form x = + X3 with X3 free. (Simplify your answers.) LO

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Q: (b) x1 + x2 + 2x3 = 5 + x3 = -2 2x1 + x2 + 3x3 = 3 %3D X1 %3D %3D

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Q: Describe all least-squares solutions of the equation Ax = b. 10 1 1 11 0 A = 1 0 1 3 b = 9 110 The…

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Q: Describe all least-squares solutions of the equation Ax = b. 1 1 0 10 1 1 A = b = 10 1 1 1 1 0 The…

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Q: Describe all least-squares solutions of the equation Ax = b. 10 1 7 1 1 0 A = 10 1 b = 3 110 The…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.