Determine whether the graph of the quadratic function opens up or down.f(x) = -x2 - 7x + 2
A. up
B. down
Answer: B
Mathematics
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Approximate the given square root to the nearest tenth using the guess-and-check method.
A. 1.8 B. 1.7 C. 1.6 D. 2.7
Mathematics
Translate the statement into an inequality. Use x as the variable.Ethan could spend at most 60 minutes per day playing video games.
A. x > 60 B. x ? 60 C. x < 60 D. x ? 60
Mathematics
Find the radius or diameter as requested.Find the diameter.
A. 0.9 cm B. 5.652 cm C. 10.17 cm D. 3.6 cm
Mathematics
Solve the problem.The distance d (in meters) of the bob of a pendulum from its rest position at time t (in seconds) is given by: d = -9e-0.6t/60 cos 
What is the maximum displacement of the bob after the first oscillation?
A. about 8.39 m B. about 0.13 m C. about 8.91 m D. about 5.18 m
Mathematics