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Matrices and Conic Sections

1.Solve the following system of equations using matrices. Make sure to show all work using row operations. Give exact values for variables.

2x-3y-2z=4

1/4x-2/5y+3/4z=-1/3

-2x+1.3y-3z=5

2.For the following equations, put the equation in standard form. Write the center and vertices and name the conic section graphed by the equation.

A) 3y^2 -2x^2 +12x +24+24y=0

B)-16x^2-4y^2=48x-20y+57

Work shown in the picture and uploaded Youtube video with commentary.

http://youtu.be/1vhvXLkiWGI

Attachment 26010