Read e-book online Algebra for the Utterly Confused PDF

By Larry J. Stephens

ISBN-10: 0071355146

ISBN-13: 9780071355148

ISBN-10: 0071430954

ISBN-13: 9780071430951

Scholars and execs alike needs to faucet into their wisdom of algebra daily, no matter if it truly is for the SATs, collage classes, or maybe the place of work.

Author Larry Stephens provides a super-accessible method of the topic that even the main math-phobic scholar can keep on with, that includes simplified ideas and methods in line with real-world difficulties that use the foundations of algebra for his or her options.

Algebra for the definitely burdened bargains a undemanding, logical, step by step method of the basics of algebra, integrating modern software program as one of many key instruments to aid within the suggestions of the issues, together with MINITAB, Excel spreadsheets, and Maple.

  • Handy icons aid scholars visualize techniques and methods
  • More than two hundred solved difficulties and examples relief scholars in understanding algebraic suggestions
  • Summary of key issues for each bankruptcy reinforces coated themes

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Additional resources for Algebra for the Utterly Confused

Sample text

15. Give the prime factorization for 15,015. 16. Use the FOIL method on the two separate parts of the following expression to find a simplified expression for it: (x + 3)(2x − 5) − (2x + 1)(x + 3) 17. Factor x2 + x − 42. 18. Factor 6x2 − 7x − 5. 19. Factor 3x2 + 10x − 8. 20. Suppose your grade is determined from four 100-point exams. You have scored 85, 70, and 60 on the first three and it is required that your average be at least 80 on the four tests in Basic Algebra Concepts Review 21 order to receive a B in the course.

If A represents the area, l represents the length, and w represents the width, then A = lw. In the formula for the area of a rectangle, A, l, and w are variables. Similarly, the area of a square is A = s2, where s is the length of a side. The area of a circle is A = πr 2, where r is the radius of the circle. A rectangular box having dimensions l, w, and h has volume V = lwh. The volume of a cube is V = s3. The volume of a cylinder is equal to V = πr2h. These six formulas illustrate how physical dimensions such as length, area, and volume may be represented by formulas involving variables.

If a is a real number and n is a natural number (1, 2, 3, и и и ) then an means multiply a times itself n times. This is called exponential notation and a is referred to as the base and n as the exponent. Two important laws of exponents are as follows: am an = am + n and am/an = am − n Basically, these laws tell us that when you multiply two numbers in exponential notation having the same base you add exponents, and when you divide them you subtract exponents. Example 1-12: Suppose we want to determine how much Kevin Brown makes per day for the 7 years in which he is paid $105 million.

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Algebra for the Utterly Confused by Larry J. Stephens


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