Write a quadratic equation having the given numbers as solutions.3, 6
A. x2 + 18x + 9 = 0
B. x2 + 9x + 18 = 0
C. x2 - 9x + 18 = 0
D. x2 + 18x - 9 = 0
Answer: C
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In order to determine the effects of a new high carbohydrate diet intended to treat depression, a researcher conducts a study. Five hundred inmates in the Middletown prison are selected to participate in the study. The researcher puts the 400 inmates not in solitary confinement on the new diet. The 100 inmates in solitary confinement are given their regular meals. The 400 inmates on the new diet are not aware that they being studied or that their diet has been modified, but have many fewer reported cases of depression after 30 days.Which of the following statements is true?
A. The study is not blind experiment. B. The study is a double-blind experiment. C. The study is a blind experiment, but not a double-blind experiment. D. The study is a double-blind experiment, but not a blind experiment. E. All of these statements are true.
Without graphing the function, determine its amplitude or period as requested.y = 
sin (- 
x)Find the period.
A. 
B. 
C. 
D. 
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.85x + 3.07 B. y = 0.75x + 4.07 C. y = 0.75x + 5.07 D. y = 0.95x + 3.07
Restate in a logically equivalent form.If it is clean, then it was washed.
A. If it is clean, then it was not washed. B. If it was not washed, then it is not clean. C. If it is clean, then it was washed. D. If it is not clean, then it was not washed.