Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Answer: A
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Give a geometric description of the set of points whose coordinates satisfy the given conditions. x2 + y2 + z2 > 25
A. All points in space B. All points outside the cylinder with radius 5 C. All points on the surface of the cylinder with radius 5 D. All points outside the sphere of radius 5
Find the linear approximating polynomial for the function centered at a.f(x) = sin x, a = 0
A. p1(x) = -x B. p1(x) = 0 C. p1(x) = 2x + 1 D. p1(x) = x
Solve the equation. Express radicals in simplest form.(4z - 1)2 = 
A. 
, 
B. 
, - 
C. 3, -1
D. 
, - 
Find an equation for the sphere with the given center and radius.Center (-4, 9, 0), radius = 10
A. x2 + y2 + z2 - 8x + 18y = 3 B. x2 + y2 + z2 + 8x - 18y = 3 C. x2 + y2 + z2 - 8x - 18y = 3 D. x2 + y2 + z2 + 8x + 18y = 3