Showing posts with label math. Show all posts
Showing posts with label math. Show all posts

Elementary Algebra Exam #4

Click on the 10 question exam covering topics in chapter 7 (Rational Expressions and Equations). Give yourself one hour to try all of the problems and then come back and check your answers.


Simplify (Assume all denominators are nonzero.)
Perform the operations and state the restrictions.
  
Solve.
 
  
10. The sum of the reciprocals of two consecutive odd integers is 4/3.  Set up an algebraic equation and use it to find the two integers.
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Interactive: Ellipses


Interactive Instructions: Move any of the green points.



[ NOTESEllipses ]


Interactive: Parallel Lines


Interactive Instructions: Move the green points to change m and see that parallel lines have the same slope. You can also move the orange line.


[ NOTESParallel Lines ]


Elementary Algebra Exam #3

Click on the 10 question exam covering topics in chapters 5 and 6. Give yourself one hour to try all of the problems and then come back and check your answers.



10. The length of a rectangle is 4 centimeters less than twice its width. The area is 96 square centimeters. Find the length and width. (Set up an algebraic equation then solve it)

 
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