Solve the quadratic equation. x2 + 7x + 7 = 0

A.
B.
C.
D.

Answer: B

Mathematics

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Use the graph to find a ? > 0 such that for all x, 0 <  < ? ?  < ?.

A. -1.27 B. 1.73 C. 0.8025 D. 0.9275

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Mathematics

Perform the indicated operation.

A. -17
B. -7
C. 7
D. -  

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Mathematics

Write the fraction as a decimal. If the decimal is a repeating decimal, write using the bar notation and then round to the nearest hundredth. 

A. 0.06
B. 0. ? 0.07
C. 0.0 ? 0.07
D. 0. ? 0.07

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Mathematics

Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = sin 4t + 20, v(0) = - , s(0) = 9

A. s = -  sin 4t + 10t2 + 9
B. s = -  sin 4t - 10t2 + 9
C. s = -  cos 4t + 10t2 + 9
D. s =   cos 4t + 10t2 + 9

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Mathematics