Solve the quadratic equation by factoring.x2 - 81 = 80x
A. {-1, 81}
B. {1, -81}
C. {-9, -9}
D. {-9, 9}
Answer: A
Mathematics
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Find only the rational zeros.f(x) = x4 + 9
A. 
, - 
B. 0
C. 3, -3, 
, -
D. No rational zeros
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Solve the problem.Would you be liable to get a traffic ticket traveling at 55 mph in a 60-kph speed zone? If so, by what amount in miles per hour would you have exceeded the limit? Round your result to the nearest mile per hour.
A. Yes. 18 mph B. Yes. 29 mph C. No. D. Yes. 89 mph
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Convert as indicated.1.65 m to centimeters
A. 165 cm B. 0.165 cm C. 0.0165 cm D. 16.5 cm
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Use division to write the rational expression in the form 
A. 1 + 
B. x + 
C. 1 + 
D. x + 12 - 
Mathematics