Evaluate the square root if possible. If the square root is irrational, write the approximate value rounded to two decimal places. If the square root is not a real number, so state.-7
A. -63
B. -4
C. -42
D. -21
Answer: D
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Write the first five terms of the sequence {an}.a1 = 1, an + 1 = 
A. 1, 
, 30, 
, 1680
B. 1, 
, 
, 
, 
C. 1, 
, 
, 
, 
D. 1, 
, 
, 
, 
Simplify.-8 + (-7) + (-6) + (-7) + 7 + (-15)
A. -20 B. -50 C. -8 D. -36
Fill in the missing vertices to give the type of polygon required, choosing vertices from those labeled on the figure. There may be more than one way to answer. If possible, use a ruler and protractor to measure lengths and angles.
(i) Nonisosceles trapezoid I 
(ii) Kite K 
style="vertical-align: -10.0px;" /> 
A. (i) IPLK
(ii) KLOJ
B. (i) IKLO
(ii) KLOJ
C. (i) IKLP
(ii) KIPL
D. (i) IOLJ
(ii) KIPL
Solve the following system by any appropriate method. If there is no real number solution, so state.y - 9x = 09x2 + y2 = 90
A. (1, 9) B. (-1, -9), (1, 9), (-1, 9), (1, -9) C. (-1, -9), (1, 9) D. (-1, -9)