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College Algebra - Quiz Three Questions Unsolved | MATH 121, Quizzes of Algebra

La Sierra UniversityAlgebra

Material Type: Quiz; Class: COLLEGE ALGEBRA; Subject: MATHEMATICS; University: La Sierra University; Term: Spring 2005;

Typology: Quizzes

Pre 2010

Uploaded on 08/16/2009

koofers-user-kui
koofers-user-kui 🇺🇸

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Math 121, Quiz 3, January 28, 2005
Name:
Instructions. Do all problems, and show all of your work.
1. (a) Find the equation of the line through the points (−1,5) and (2,−7). Write your answer
in y=mx +bform.
2. Consider the quadratic function f(x) = −2x2
−8x+ 11.
(a) Find the range of f.
(b) Does fhave a maximum value? If so, find it.
(c) Does fhave a minimum value? If so, find it.

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Math 121, Quiz 3, January 28, 2005

Name: Instructions. Do all problems, and show all of your work.

  1. (a) Find the equation of the line through the points (− 1 , 5) and (2, −7). Write your answer in y = mx + b form.
  2. Consider the quadratic function f (x) = − 2 x^2 − 8 x + 11. (a) Find the range of f. (b) Does f have a maximum value? If so, find it. (c) Does f have a minimum value? If so, find it.