Solve the inequality by the test-point method. Write the solution in interval notation.x2 - 14x + 36 ? 0
A. (-?, 7 - 
] ? [7 + 
, ?)
B. [7 - 
, 7 + 
]
C. (-?, 7 - 
) ? (7 + 
, ?)
D. (-?, -
] ? [
, ?)
Answer: A
Mathematics
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Graph the solution of the system. 2x + 3y ? 6 x - y ? 3 y ? 2
A. 
B. 
C. 
D. 
Mathematics
Write the inequality obtained by performing the indicated operation on the given inequality.Subtract 5 from each side of the inequality 2 + 3x ? 2.
A. -3 + 3x ? -3 B. -3 - 2x ? -3 C. -3 - 2x ? -3 D. -3 + 3x ? -3
Mathematics
Solve the system of equations. x + y + z = 8 x - y + 5z = 24 5x + 5y + 5z = 12
A. {(5, 1, 2)} B. {(5, 2, 1)} C. {(1, 2, 5)} D. ?
Mathematics
Use the elimination method to solve the system.x - y = 2 8x =8y - 16
A. Infinitely many solutions B. (4, -2) C. (0, 0) D. No solution
Mathematics