Determine the vertex of the graph of the parabola.y = -5x + 2x2 - 7
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Establish the identity.cos
= -sin x
What will be an ideal response?
Mathematics
Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. ellipse, directrix perpendicular to the polar axis 3 right of the pole B. hyperbola, directrix perpendicular to the polar axis 3 left of the pole C. ellipse, directrix perpendicular to the polar axis 3 left of the pole D. hyperbola, directrix perpendicular to the polar axis 3 right of the pole
Mathematics
Convert the angle in radians to degrees.
A. 719° B. 722° C. 720° D. 721°
Mathematics
Solve the inequality.x2 + 3x ? 0
A. [0, 3] B. [-3, 0] C. (-?, -3] or [0, ?) D. (-?, 0] or [3, ?)
Mathematics