Solve.x2 + 8x = 33
A. x = -11, 1
B. x = 11, 3
C. x = 11, -3
D. x = -11, 3
Answer: D
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Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The height of a ball thrown from the ground, as a function of time.
A. quadratic; positive B. linear; negative C. linear; positive D. quadratic; negative
Use the binomial theorem to expand the binomial.
?
?
A. 
B. ?
C. ?
D. ?
E. none of the above
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
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 2, cos ? < 0Find sin 
.
A. -
B. 
C. 
D. -