Find the center and radius of the circle.2x2 + 2y2 - 8x - 16y + 22 = 0
A. (-2, -4), r = 9
B. (4, 2), r = 3
C. (-4, -2), r = 9
D. (2, 4), r = 3
Answer: D
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.x2 + y2 ? 1, z = -2
A. All points within the parabola x2 + y2 = 1 in the plane z = -2 B. All points on the cylinder with radius 1 along the z-axis C. All points on or outside of the circle x2 + y2 = 1 and in the plane z = -2 D. All points on or within the circle x2 + y2 = 1 and in the plane z = -2
Indicate the metric unit of measurement that would be best used to express the area of the object.A corn field
A. square centimeters B. hectares C. square millimeters D. square meters
Determine whether the statement is a self-contradiction, an implication, a tautology (that is not also an implication), or none of these.(p ? q) ? ~q
A. None of these B. Self-contradiction C. Tautology D. Implication
One of 3M's biggest weaknesses has been the company's inability to incorporate new innovations into marketable products.
Answer the following statement true (T) or false (F)