Select the correct answer. A
(12x + y + z = 26
x-11y = 17
x - y + 4z =23
B
4x + y + z = 23
x-11y = 17
x - y + 12z = 26
с
(x + y + z = 4
x-y=11
x - y + z = 12
( x + y + z = 12
x - y = 11
x-y + z = 4
which linear system has this matrix of constants? '[[12].[11],[41]

When graphing the two equations, the point of intersection is the solution. *by the way the top question is an example of the graph* to graph each equation, apply the slope intercept form, y = mx + b *find solution for all* equations: 1) y = 5x - 2 y = x + 6 2) y = 2x - 4 y = x +2 3) y = x + 2 y = -x +2 now for questions 4-6, check the solution too 4) y = 3x + 2 y = 3x - 4 m= m= b= b= 5) y = 2x + 1 2y = 4x + 2 m= m= b= b= 6) y = x - 3 y = -x +3 m= m= b= b= *dont have to check solution for 7-9* 7) y = 5x + 1 y = x - 3 8) y = x - 5 y = 3x + 1 9) y = 3x - 1 y = 3x - 4

Secant be and cf intersect at point d inside a what is the measure of cde

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