MATH107Quiz4 solution.docx - MATH 107 QUIZ 4 June-July,...

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MATH 107 QUIZ 4June-July, 2017Instructor: S. SandsNAME:_______________________________I have completed this assignment myself, working independently and not consulting anyoneexcept the instructor.INSTRUCTIONSThe quiz is worth 100 points. There are 13 problems. This quiz isopen bookandopen notes.This means that you may refer to your textbook, notes, and online classroom materials, butyou must work independently and may not consult anyone(and confirm this with yoursubmission). You may take as much time as you wish, provided you turn in your quiz no laterthanSunday, July 2.Show work/explanation where indicated. Answers without any work may earn little, ifany, credit.You may type or write your work in your copy of the quiz, or if you prefer,create a document containing your work. Scanned work is acceptable also.In yourdocument, be sure to include your name and the assertion of independence of work.General quiz tips and instructions for submitting work are posted in the Quizzes module.If you have any questions, please contact me by e-mail.1. (4 pts) Solve the inequality 7xx2and write the solution set in interval notation.(no explanation required)1.______A.[7,B.[0, 7]C.(–, 7][0,D.(–, 0][7,)))
2. (4 pts) Solvex6x2+7x80 and write the solution set in interval notation.2. ______(no explanation required))))
3. (4 pts)Forf(x) =x3x2– 8, use the Intermediate Value Theorem to determine which intervalmust contain a zero off.(no explanation required)3. _______

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Term
Fall
Professor
Averett
Tags
Quadratic equation, pts

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