Use the quadratic formula to solve the quadratic equation. Approximate the solutions to the nearest tenth.m2 = 9m + 7

A. -0.7, 9.7
B. -9.7, 0.7
C. 0.9, 8.1
D. -1.4, 19.4


Answer: A

Mathematics

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Use inequality notation to describe the set. q is at least 6 but less than 22

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Find the exact value of the real number y.y = cos-1 

A.
B.
C.
D.

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Find the equation of the tangent line at the given value of x on the curve.2xy - 2x + y = -14, x = 2

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Mathematics