Identify the type of surface represented by the given equation.
+ 
= 
A. Paraboloid
B. Elliptical cone
C. Hyperbolic paraboloid
D. Ellipsoid
Answer: B
Mathematics
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Factor completely, if possible.9 - 6z - 8z2
A. (3 - 2z)(3 + 4z) B. (9 + 2z)(1 - 4z) C. (3 + 2z)(3 - 4z) D. (9 + z)(1 - 8z)
Mathematics
Simplify. Assume that all variables represent positive numbers.
A. 16x14 B. 128x14 C. 65,536x56 D. 7168x
Mathematics
Using the variable x, write the interval as an inequality.
A. 3 < x ? 7 B. x < 3 or x > 7 C. 3 ? x ? 7 D. x < 3 or x ? 7
Mathematics
Write the equivalent value.1 ton = _____ pounds
A. 1000 B. 1760 C. 5280 D. 2000
Mathematics