Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.
A. 6x2
B. 8x2
C. 4x-2
D. 4x2
Answer: D
Mathematics
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Write in radical form. Assume all variables represent positive real numbers.(mn)1/6
A. (mn)-6
B. (
)6
C. 
D. 
Mathematics
Give a geometric description of the set of points whose coordinates satisfy the given conditions.y2 + z2 = 9, x = 5
A. The cylinder with the radius 
along the x-axis
B. The circle y2 + z2 = 9 in the plane x = 5
C. The line tangent to the circle y2 + z2 = 9 at the point x = 5
D. All points more than 
units from the origin
Mathematics
Write the fraction as a decimal.
A. 0.54 B. 0.054 C. 0.00054 D. 0.0054
Mathematics
Find the dot product v ? w.v = -8i - 8j,
w = -13i + 11j
A. -88 B. 104 C. 192 D. 16
Mathematics