Answer the question.Suppose that a, b, and c are real numbers and that the polynomial function P may be expressed in factored form as 
. If b2 - 4ac = 9, determine the number of rational, irrational, and imaginary zerosthat P has.
A. 2 rational zeros, 0 irrational zeros, 2 imaginary zeros
B. 4 rational zeros, 0 irrational zeros, 0 imaginary zeros
C. 2 rational zeros, 2 irrational zeros, 0 imaginary zeros
D. 0 rational zeros, 0 irrational zeros, 4 imaginary zeros
Answer: B
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150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.Peter's score on the exam places him in the 16th percentile of the class. Peter's score on the exam is approximately
A. 55. B. 16. C. 35. D. 45. E. none of these
Find the greatest common factor of the list of items.z2, z4, z
A. z2 B. z C. z4 D. z6
Solve the problem.Joe has a collection of nickels and dimes that is worth $5.30. If the number of dimes were doubled and the number of nickels were increased by 13, the value of the coins would be $9.95. How many dimes does he have?
A. 20 dimes B. 40 dimes C. 26 dimes D. 13 dimes
Solve using the quadratic formula.9x2 + 21x + 10 = 0
A. - 
, - 
B. - 
, - 
C. 
, 
D. 
, - 