Verify that the values of the variables listed are solutions of the system of equations.x = -1, y = -3

A. solution
B. not a solution


Answer: A

Mathematics

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Use exponential notation to write the repeated multiplication.9 ? 9 ? 9 ? 9

A. 92 B. 49 C. 36 D. 94

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Use your estimation skills to pick the most reasonable answer. Do not solve the problem.323.94 - 322.08

A. 186 B. 18.6 C. 1.86

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Find an equation for the line with the given properties.Perpendicular to the line -8x + 9y = 9; containing the point (9, 0)

A. 9x + 8y = 81 B. 9x - 8y = 81 C. 9x - 8y = 9 D. -8x - 9y = 81

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Identify the following quadric surface. ? ?

A. hyperboloid of one sheet B. elliptic cone C. elliptic paraboloid D. hyperboloid of two sheets E. hyperbolic paraboloid

Mathematics