Question

(3) Solve the system of equations $x_1 + 5x_2 + 2x_3 = 6$ $8x_2 - 7x_3 = -2$ $5x_3 = 0$ (4) Solve the system of equations $x + 2y - z = 1$ $x + z = 5$ $4x + 4y = 12$ (5) Solve the equation $2 \sin^2 x + 1 = 3 \sin x$ for sins and then for x. (6) Solve the equation $5 \cos x = 4 - x^3$. Make sure you find all solutions. (7) Solve the equation $x^5 + x^4 + x^3 + x^2 + x + 2 = 0$ (8) Sketch the graphs of $f(x) = x^3 - 7x^2 + 2x + 20$ and $g(x) = x^2$ on the same set of axes and find their points of intersection. (9) Sketch the graphs of $f(x) = x^3 - 7x^2 + 2x + 20$ and $g(x) = x^2$ on the same set of axes and find their points of intersection. (10) For the data given below obtain a linear fit X 5 10 20 50 100 Y 15.5 33.07 53.39 140.24 301.03

          (3) Solve the system of equations
$x_1 + 5x_2 + 2x_3 = 6$
$8x_2 - 7x_3 = -2$
$5x_3 = 0$
(4) Solve the system of equations
$x + 2y - z = 1$
$x + z = 5$
$4x + 4y = 12$
(5) Solve the equation $2 \sin^2 x + 1 = 3 \sin x$ for sins and then for x.
(6) Solve the equation $5 \cos x = 4 - x^3$. Make sure you find all solutions.
(7) Solve the equation $x^5 + x^4 + x^3 + x^2 + x + 2 = 0$
(8) Sketch the graphs of $f(x) = x^3 - 7x^2 + 2x + 20$ and $g(x) = x^2$ on the same set of axes and find their points of intersection.
(9) Sketch the graphs of $f(x) = x^3 - 7x^2 + 2x + 20$ and $g(x) = x^2$ on the same set of axes and find their points of intersection.
(10) For the data given below obtain a linear fit
X		5		10		20		50		100
Y		15.5		33.07		53.39		140.24		301.03

(3) Solve the system of equations
x1 + 5x2 + 2x3 = 6
8x2 - 7x3 = -2
5x3 = 0
(4) Solve the system of equations
x + 2y - z = 1
x + z = 5
4x + 4y = 12
(5) Solve the equation 2 sin^2 x + 1 = 3 sin x for sins and then for x.
(6) Solve the equation 5 cos x = 4 - x^3. Make sure you find all solutions.
(7) Solve the equation x^5 + x^4 + x^3 + x^2 + x + 2 = 0
(8) Sketch the graphs of f(x) = x^3 - 7x^2 + 2x + 20 and g(x) = x^2 on the same set of axes and find their points of intersection.
(9) Sketch the graphs of f(x) = x^3 - 7x^2 + 2x + 20 and g(x) = x^2 on the same set of axes and find their points of intersection.
(10) For the data given below obtain a linear fit
X 5 10 20 50 100
Y 15.5 33.07 53.39 140.24 301.03

Added by Dustin I.

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