Solve the equation.31 + 2x = 27
A. {-1}
B. {3}
C. {1}
D. {9}
Answer: C
Mathematics
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Solve the equation by using the quadratic formula. Give only real number solutions.x2 + x + 3 = 0
A. 
B. ?
C. 
D. 
Mathematics
Given the function, find the indicated value.Find f(4) when f(x) = x2 - 4x - 1.
A. 33 B. 1 C. -1 D. 31
Mathematics
Solve the problems.A race car driver's speed is clocked at 141.483 mph at the end of his first lap, and at 170.798 mph at the end of the next lap. How much faster was he driving at the end of the second lap than at the end of the first?
A. 30.315 mph B. 29.325 mph C. 29.215 mph D. 29.315 mph
Mathematics
Solve the equation using the quadratic formula.14x2 + 15x = 0
A. - 
B. ± 
C. 
, 0
D. 0
Mathematics