Identify the type of surface represented by the given equation.
- 
= 
A. Parabolic cylinder
B. Paraboloid
C. Hyperbolic paraboloid
D.
| Ellipsoid |
Answer: C
Mathematics
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Solve the problem.Find the equation of the tangent to the parabola x2 = -2y at the point (2
, -6).
A. y = - 
x - 6
B. y = 
x - 3
C. y = - 2
x + 6
D. y = - 2
x - 18
Mathematics
Locate the point on the rectangular coordinate system.
(-3, 4)
A. A B. B C. F D. K
Mathematics
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.-11, -17 , -23, -29, . . .
A. an = -6n - 5; a20 = -125 B. an = 6n + 11; a20 = 131 C. an = -6n - 11; a20 = -131 D. an = 6n + 5; a20 = 125
Mathematics
Find a and b.If 6 < x < 7, then a < 1 - 9x < b.
A. a = -53, b = -62 B. a = 64, b = 55 C. a = -62, b = -53 D. a = 55, b = 64
Mathematics