Determine whether a linear or quadratic function would be a more appropriate model for the graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the coefficient 
of x2 should be positive or negative. CRIME STATISTICS 
Years since 1990
A. Linear; negative
B. Quadratic; negative
C. Linear; positive
D. Quadratic; positive
Answer: A
Mathematics
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Graph the system of inequalities.
? 5y ? 3y ? x2 - 3
A. 
B. 
C. 
D. 
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Decide if the number is rational or irrational.
A. Irrational B. Rational
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Use an integer to represent the value in the statement.a decrease of 136 feet in elevation
A. 136 B. -136
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Factor.27s3 + 1
A. (27s + 1)(s2 - 3s + 1) B. (3s + 1)(9s2 + 1) C. (3s - 1)(9s2 + 3s + 1) D. (3s + 1)(9s2 - 3s + 1)
Mathematics