Solve using matrices.x - 5y = -4x + 8y = -4
A. (0, 4)
B. (-4, 0)
C. (4, 0)
D. (0, -4)
Answer: B
Mathematics
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Solve quadratic equation by factoring.4x2 - 32x + 60 = 0
A. 0, 3, 5 B. 3, 5 C. -3, -5 D. 4, 3, 5
Mathematics
Use a graphing utility to find or approximate solutions to the equation. If necessary, round your answers to three decimal places.(x + 10)(x - 4) = -45
A. -1, -5 B. 4, -55 C. -41, -10 D. -10, 4
Mathematics
Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = 
(x + 5)5 + 3 
A. 
B. 
C. 
D. 
Mathematics
The graphs show the sales of two companies competing for market share.
If x represents Company B's sales in 2005 and y represents Company B's sales in 2008, the relationship between x and y is
A. x = y B. x > y C. x < y
Mathematics