Solve the problem.Find all points on the cardiod r = a(1 - cos ?) where the tangent line is vertical.
A. (2a, ?), 
, 
B. 
, 
, 
C. 
, 
D. (2a, ?), 
, 
Answer: A
Mathematics
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Solve using the quadratic formula.x2 + x + 9 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
- 
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated. Express the answer as a single polynomial in standard form.(9x2 + 5x + 2) + (2x2 - 3x + 8)
A. 11x2 - 2x + 10 B. 4x2 + 6x + 13 C. 11x2 + 2x + 10 D. 11x2 + 2x - 10
Mathematics