Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set.-4x + 3z = 16-5x + 6y - 8z = -62 2x - 4y = -4
A. {(2, 8, 2)}
B. {(2, -2, -8)}
C. ({3, 0, 8)}
D. {(2, 2, 8)}
Answer: D
Mathematics
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A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find sec ?.
A. 
B. 
C. 
D. 
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Solve the equation by completing the square.x2 - 8x - 7 = 0
A. {4 - 
, 4 + 
}
B. {8 - 
, 8 + 
}
C. {-4 - 
, -4 + 
}
D. {4 - 
, 4 + 
}
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 5
A. 
B. 
C. 
D. 
Mathematics
Find the rule of a quadratic function whose graph has the given vertex and passes through the given point.vertex (4, 5); point (7, 32)
A. P(x) = 7x2 - 24x - 53 B. P(x) = 3x2 - 24x + 53 C. P(x) = -3x2 - 24x + 5 D. P(x) = 3x2 - 4x + 5
Mathematics