PracticeTest1 - Practice Test #1 Directions: Use this...

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Practice Test #1 Directions: Use this practice test as a guide for your study for Test #1. This exam is not comprehensive, so study your class notes and homework problems in addition to completing this exam. Solutions are posted on the course website under “Solutions”. 1) For the points (2, -5) and (-3, 5), find the following: a) The slope-intercept equation of the line through the points. ____________________ b) The point-slope equation of the line through the points: ______________________ 2) Graph the line 4x – 6y = -12 by finding the x-intercept and the y-intercept. Write your intercepts as ordered pairs. x-intercept: _____________ y-intercept: ______________ 3) Graph the line x = -14. What is the slope of the line? __________ 5) If 5 2 ) ( x x f , find the difference quotient x x f x x f ) ( ) ( . Simplify your answer completely and circle it. 6) A company manufactures 20 products and it costs them $600. When they manufacture 35 products, it costs them $750. a)
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PracticeTest1 - Practice Test #1 Directions: Use this...

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