Solve the system using Cramer's Rule. If D = 0, use another method to complete the solution.-5x + 25 = -5y3x + 2y = 20

A. {(5, 2)}
B. {(6, 1)}
C. ?
D. {(6, 2)}

Answer: B

Mathematics

Determine the quadratic function whose graph is given.

A. f(x) = -x2 + 6x + 8 B. f(x) = x2 - 6x + 8 C. f(x) = x2 + 6x - 8 D. f(x) = x2 + 6x + 8

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Mathematics

For the given polar equation, write an equivalent rectangular equation.r = 9cot ? csc ?

A. y = 9x²
B. y =
C. y² = 9x
D. y = 9x

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Mathematics

Determine if the given value is a solution to the equation. 4.9x - 8.3 = 3.95; -0.9

A. Solution B. Not a Solution

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Mathematics

Solve the equation.m + 6 = 8

A. {2} B. {14} C. {-14} D. {-2}

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Mathematics