Find a positive value of the given variable so that the trinomial is factorable.x2 + bx + 11; b = ?
A. 13
B. 10
C. 11
D. 12
Answer: D
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Use the principle of square roots to solve the equation.3z2 + 4 = 79
A. 5 B. ±6 C. 39.5 D. ±5
Find an equation for the hyperbola described.Vertices at (0, ±10); asymptotes at y = ± 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Provide the requested response.Suppose that a polynomial function of degree 4 with rational coefficients has 6, 4, 
as zeros. Find the other zero.
A. 
i
B. - 
C. -6
D. i + 
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856