Solve the equation by the quadratic formula.9x2 - 62x - 7 = 0
A. - 
, 
B. - 
, 7
C. -9, 7
D. - 
, 9
Answer: B
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Solve the problem.A car wheel has a 13-inch radius and must be driven forward to its proper position in the showroom. Through how many degrees does the wheel turn clockwise to accomplish the 5-foot move? Round your answer to one decimal place.
A. 269.4° B. 264.4° C. 279.4° D. 274.4°
Solve the right triangle shown in the figure. 
= 1.9 m, ?B = 43.5°, ?C = 90°
A. ?A = 46.5°, 
= 3.2 m, 
= 3.7 m
B. ?A = 46.5°, 
= 3.2 m, 
= 2.6 m
C. ?A = 46.5°, 
= 0.7 m, 
= 2.0 m
D. ?A = 46.5°, 
= 1.8 m, 
= 2.6 m
Find the product.(x + 1)(3x + 6)
A. x2 + 9x + 9 B. 3x2 + 6x + 9 C. 3x2 + 9x + 6 D. 3x2 + 8x + 6
If 
, find the value of ? in degrees 
without the aid of a calculator.
A. ? = 30° B. ?? = 45° C. ??? = 90° D. ??? = 75° E. ??? = 15°