Use the most convenient method (graphing, substitution, or elimination) to solve the system of linear equations.
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Solve.The angular velocity ? (in rad/s) of a pendulum is 
Find the angular displacement ? as a function of t if ? = 0 for t = 0.
A. ? = -0.3 sin 8t + 0.3 B. ? = 0.3 cos 8t C. ? = -0.3 sin 8t D. ? = -2.4sin 8t
Mathematics
Solve the inequality symbolically. Express the solution set in interval notation.6 + 5y - 9 ? 4y + 3
A. (-?, 5) B. (-?, 6] C. (5, ?) D. [6, ?)
Mathematics
Graph the ellipse, centered at the origin, satisfying the conditions.Foci at (±3, 0),vertices (±6, 0)
A. 
B. 
C. 
D. 
Mathematics
Identify whether the equation, when graphed, will be a parabola, circle, ellipse, or hyperbola.y = x2 + 1
A. circle B. hyperbola C. parabola D. ellipse
Mathematics