Express the number in scientific notation.18,000,000
A. 1.8 x 106
B. 1.8 x 10-6
C. 1.8 x 10-7
D. 1.8 x 107
Answer: D
Mathematics
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Identify the type of surface represented by the given equation.
- 
- 
= 1
A. Elliptical cone B. Hyperboloid of two sheets C. Hyperboloid of one sheet D. Ellipsoid
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Graph the equation.
+ 
= 1
A. 
B. 
C. 
D. 
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Name the property illustrated by the statement.4 ? 1 = 4
A. commutative property of multiplication B. multiplicative inverse property C. identity element for multiplication D. distributive property
Mathematics
The graph of a trigonometric function of the form y = A sin (Bx) or y = A cos (Bx) for B > 0 is given. Determine the equation of the function represented by the graph.
A. y = 3 cos 
x
B. y = 2 cos 
x
C. y = 3 cos 2x
D. y = 2 cos 3x
Mathematics