Write an algebraic expression, using x as the variable.2 times a number
A. 2 - x
B. 
C. 2 + x
D. 2x
Answer: D
Mathematics
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Solve the problem.Find an equation for the level surface of the function 
that passes through the point (?, ?, 1) .
A. 
= 1
B. cos 
= 2?
C. 
= 2?
D. cos 
= 0
Mathematics
Write in factored form.x(y + 5) - z(y + 5)
A. (x - z)(5y) B. (x - z)(y + 5) C. (x + y)(-z + 5) D. xz(y + 5)
Mathematics
Solve the problem.The length of a rectangular frame is 5 cm more than the width. The area inside the frame is 50 square cm. Find the width of the frame.
A. 10 cm B. 5 cm C. 15 cm D. 7 cm
Mathematics
Give the equation of the oblique asymptote, if any, of the function.h(x) = 
A. y = 
B. no oblique asymptote
C. y = 
x
D. y = x + 
Mathematics