Math 134 - Intermediate Algebra Final Exam Review The following equations may be useful on the review. The following equations may be useful while taking this exam. Slope-Intercept Form: y = mx + b Slope Formula: Point-Slope Form: y − 1 Special Products: Special Forms: a − b = ( a + b) ( a − b)
a + 2ab + b = ( a + b) 2
a − 2ab + b = ( a − b) 2
Volume of a rectangular prism: l w 1.(4pt) Complete the table of values. Then plot the solution points on the rectangular coordinate system. Determine whether the ordered pair is a solution of the equation. 2.(3pt) 3y + 2x = 12 , ( 4,2) 3.(3pt) −2x + y = 1 , ( 3 Algebraically, find the x- and y-intercepts. Use the x- and y-intercepts to sketch the graph of the line. All work (algebra) must be shown. DO NOT USE A TABLE OF VALUES. 4.(3pt) 2x + 4y = 20 Consider the relation. 5. g :{ ( −3, ) a. (1pt) List the domain: __________________________________ b. (1pt) List the range: ___________________________________ c.) (2pt) Is the set a function? If yes,explain. If no, explain. Evaluate the following function at the given values. Show the substitution correctly. No Decimal Answer. 6. (3pt) f ( x) = Use the slope formula to find the slope of the line passing through the points. 7. (3pt) ( −2,5) , ( 3, − ) Write the equation in slope-intercept form for the line containing the given pair of points. 8. (4pt) ( −2,3) and ( 2,5) Application Problems 9. In 2002, Medicaid long-term care expenses totaled $92 billion. This figure had risen to $109 billion
by 2006. Let M represent Medicaid long-term care expenses, in billions of dollars, and t the number of years since 2000. Let t = 0 represent 2000. a.) (2pt) Represent the given information as two ordered pairs of the form ( t, M ) . b.) (3pt) Write a linear equation in slope-intercept form that relates the long-term expenses M to c.) (1pt) What will the estimated Medicaid long-term expenses be in 2013?
Write a well-structured sentence with the units correctly stated. Use the rules of exponents to simplify the following expression. Write your answer using only positive exponents. 10.(3pt) ( a b 11.(3pt) 12.(3pt) 13.(3pt) Perform the indicated operation(s) and simplify the following algebraic expression: 14.(3pt)
+ − a + 5a + 3a −
15.(3pt) ( 3y −8) ( 9y + 3) (3pt) ( t − 0.3t − 20) −( t −1.5t + 0.3t − )
17. (3pt)
(x + 4)(x − 2x +1)
Application Problems 18. An electronics company is marketing a new kind of camera. Total revenue is the total amount of
money taken in. The company determines that when it sells x cameras, its total revenue is given by
R = 175x − 0.4x .
Total cost is the total cost of producing x cameras. The company determines that the total cost of
The total profit P is the difference between revenue and cost.
a.) (2pt) Find the polynomial representing total profit P. b.) (2pt) Using the polynomial, calculate the total profit on the production and sale of 75 cameras. c.) (1pt) Write a well-structured sentence(s) with the units correctly stated. Evaluate the expression. a. (2pt) Write the answer in decimal notation. _______________________________ b (2pt) Write the answer in scientific notation. _____________________________ Evaluate the expression. 20. a. (2pt) Write the answer in decimal notation rounded to 2 decimal places. ______________________ b (2pt) Write the answer in scientific notation rounded to 2 decimal places. ____________________ 21. Every day about 12.4 billion spam e-mails are sent. If each spam e-mail wastes 4 seconds, how many a.)(3pt) Write the answer in scientific notation._________________________________ b.)(3pt) Write the answer in decimal form._____________________________________ c.) (1pt) Write a well-structured sentence(s) with the units correctly stated. Use Long Division to divide the polynomials. Show all your work.
2t − 9t +11t − 3
No credit unless long division is shown. Use Synthetic Division to divide the polynomials. Show all your work. No credit unless synthetic division is shown. Completely factor the following algebraic expressions. 24.(3pt) 2 25.(3pt) 26.(3pt)
−8x −8x + 30 27. (3pt) 3 Solve the following polynomial equations by factoring and using the zero-factor property. 28.(4pt) 2 29.(4pt) 30.(4pt) Application Problems 31. A photograph is 3inches longer than it is wide. Its area is 40 square inches. What is the length and a.) (2pt) Write a quadratic equation to find the dimensions. b.) (2pt) Solve the quadratic equation. c.) (1pt) Write a well-structured sentence(s) with the units correctly stated. Application Problems 32. Many people suffering from constricted bronchial muscles are prescribed the drug Albuterol. The
number of micrograms A of Albuterol in a person’s bloodstream t minutes after 200 micrograms have been inhaled can be approximated by:
a.) (3pt) Calculate how long after an inhalation will there be about 150 micrograms of Albuterol b.) (1pt) Write a well-structured sentence(s) with the units correctly stated.

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