By Jane Cook
The first step in advanced math is now the best.
Alpha educate your self Algebra I in 24 Hours presents readers with a established, self-paced, straight-forward instructional to algebra. it is the excellent textbook better half for college kids being affected by algebra, an outstanding primer for these seeking to get a head begin on an upcoming type, and a welcome refresher for fogeys tasked with supporting out with homework, all in 24 one-hour classes.
• Algebra is the second-most renowned mathematic path for faculty- certain highschool scholars
• approximately all college-bound highschool scholars now take algebra
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Extra resources for Alpha Teach Yourself Algebra I in 24 Hours
D b. 4d c. 4 d. 16d 6. 7. 8. 9. 1 2 14a 32a 32 8a 16a a. b. c. d. Review 44 1 12x 18 6 a. 2x + 3 b. 3x – 2 c. 2x – 3 d. –x 1 18xy 2 a. 9xy b. –9xy c. 36xy d. –36xy 1 9w 3 a. 3 b. –3 c. –27 d. 27 –20y ÷ 4 = –5y 5y –5 –80y a. b. c. d. 10. ¥ xy ´ 24 ¦ µ § 4¶ a. 20xy b. –6xy c. 6xy d. –20xy Hour 5 Linear Equations: Solving with Basic Operations Hour 6 Linear Equations: Solving More Complex Equations Part II Solving Equations C HAP TE R S UMMAR Y In this hour you will learn about … s 3OLVING EQUATIONS WITH ADDITION AND subtraction s 3OLVING PRACTICAL PROBLEMS WITH equations s 3OLVING EQUATIONS WITH MULTIPLICATION and division If one process sets algebra apart from basic arithmetic, it is solving equations.
Remember, too, that the reciprocal of 4 is . Putting these facts 4 4 together creates the division rule for real numbers: to divide by a num ber, multiply by its reciprocal. PROCEED WITH CAUTION The division rule applies to all real numbers except 0, since 0 doesn’t have a reciprocal. Of course, some division problems are easily solved without having to change them to multiplication. A good example is the simple division problem 12 ÷ 4 = 3. But solving other problems requires changing to multiplication.
20xy Hour 5 Linear Equations: Solving with Basic Operations Hour 6 Linear Equations: Solving More Complex Equations Part II Solving Equations C HAP TE R S UMMAR Y In this hour you will learn about … s 3OLVING EQUATIONS WITH ADDITION AND subtraction s 3OLVING PRACTICAL PROBLEMS WITH equations s 3OLVING EQUATIONS WITH MULTIPLICATION and division If one process sets algebra apart from basic arithmetic, it is solving equations. During your first four hours of study, you learned about many properties and rules that serve as the foundation of algebraic knowledge.
Alpha Teach Yourself Algebra I in 24 Hours by Jane Cook