Solve the problem.Find the constant of variation k. Assume that y is directly proportional to x.
A. -0.4
B. 6.4
C. -6.4
D. 0.4
Answer: B
Mathematics
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Identify the type of surface represented by the given equation.
- 
= 
A. Paraboloid
B. Parabolic cylinder
C.
| Ellipsoid |
D. Hyperbolic paraboloid
Mathematics
Decide whether the situation involves permutations or combinations.A blend of 4 spices taken from 6 spices on a spice rack.
A. Permutation B. Combination
Mathematics
Evaluate the determinant.
A. -83
B. 80 + 2
C. 83
D. 80 - 2
Mathematics
Find the product.(p + 9)2
A. p2 + 81 B. p2 + 18p + 81 C. 81p2 + 18p + 81 D. p + 81
Mathematics