Reduce the rational expression to lowest terms.
A. 
B. - 
C. - 
D. 
Answer: B
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Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x - 5y = 3x = 8 + 5y
A. (3, 5) B. {(x, y)|x = 8 + 5y} C. No solution D. {(x, y)|x - 5y = 3}
Find the slope of each line and verify that the lines are perpendicular. y1
A. m1 = 
; m2 = - 
; m1 ? m2 = -1
B. m1 = - 
; m2 = 
; m1 + m2 = 0
C. m1 = - 
; m2 = 
; m1 ? m2 = -1
D. m1 = 
; m2 = 
; m1 ? m2 = 1
Write each expression in factored form as an algebraic expression of a single trigonometric function.4 cot 2 x - 
+ cos x sec x
A. (2 cot x - 1)2 B. (4 tan x + 1)(tan x + 1) C. 1 D. (2 tan x - 1)(2 tan x + 1)
Evaluate the integral.
A. 
x2 + 3x - 9
B. 21y4 - 
C. 
x2 + 3x - 9
D. 
y4 - 12