Find the area of the surface generated when the given curve is revolved about the x-axis. y = 3x + 5 on [0, 2]
A. 32?
B. 
C. 28
?
D. 32
?
Answer: D
Mathematics
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Write the equation in standard form. Then identify the vertex of the parabola.y = x2 - 9x - 1
A. y = 
2 - 1; 
B. y = 
2 - 
; 
C. y = 
2 - 
; 
D. y = 
2 - 
; 
Mathematics
Verify the identity.csc2 x - cos x sec x= cot2 x
What will be an ideal response?
Mathematics
Evaluate the expression.
? 62
A. 12 B. 216 C. 8 D. 36
Mathematics
Use the properties of parallel lines to solve the problem.Line m is parallel to line n. If m?6 = 112°, find the measure of each angle.
A. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 22° B. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 68° C. ?2, ?4, ?8 all measure 112°; ?1, ?3, ?5, ?7 all measure 78° D. ?5, ?7, ?8 all measure 112°; ?1, ?2, ?3, ?4 all measure 68°
Mathematics