Solve the equation.x2 - x = 42
A. -6, -7
B. 6, 7
C. 1, 42
D. -6, 7
Answer: D
Mathematics
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Use the principle of square roots to solve the equation.x2 = 16
A. ±5 B. 8 C. 4 D. ±4
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. ±4 B. 4 C. 8 D. 16
Mathematics
Find the partial fraction decomposition for the rational expression.
A. 2x - 5 - 
+ 
B. 2x + 5 - 
+ 
C. 2x - 5 - 
+ 
D. 2x + 5 - 
+ 
Mathematics
Use the unit circle to find the indicated quantities.
sin 
; csc 
A. 1; 1 B. 0; 0 C. -1; -1 D. 0; undefined
Mathematics