Download Algebra Success in 20 Minutes a Day (2nd Edition) by LearningExpress Editors PDF

By LearningExpress Editors

ISBN-10: 1576854868

ISBN-13: 9781576854860

For brand spanking new algebra scholars or these looking a refresher, this publication bargains a chain of easy 20-step lesson plans that emphasize quickly studying of functional, crucial talents. This up to date variation eschews pointless jargon and will get down to the necessities:
• insurance of all very important algebra abilities, from combining like phrases to fixing quadratic equations
• enormous quantities of perform routines, together with observe difficulties
• An emphasis at the applicability of algebra talents to real-world (and real-work) difficulties
• Bonus sections, together with information for getting ready for standardized checks

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Additional info for Algebra Success in 20 Minutes a Day (2nd Edition)

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8 ÷ (–2) · 5 + 2 ______23. –8 – –5 + (1 + 2)2 –10 20 ______28. ᎏ2ᎏ + ᎏ4ᎏ ______24. 5(–2) – 3(4) ______29. (5)(–2)(–3)(–1) 16 ______25. 8 + ᎏ–ᎏ2 ______30. 7(–2)(0)(–5)(4) Practice Evaluate the following algebraic expressions when a = ᎏ12ᎏ, b = –3, c = 6, d = 12, and e = 2. ______31. abc ______35. 3(b + d) – 4a ______32. 2a + 3c ______36. 2c 2 + 4e ______33. 2(a + b) ______37. –(ᎏbᎏ + 5e) ______34. a(2b + c) ______38. 5(b + e)2 d Skill Building until Next Time To calculate your earnings for a week of work, you multiply the hours worked times the hourly wage.

The division comes first, so first you divide and then you multiply. Divide 4 ÷ 2. 3+4÷2·3+5 Multiply 2 · 3. 3+2·3+5 Add the numbers in order from left to right. 3+6+5 = 14 Example: 7 + 3(6 – 2) – 6 You need to perform the operation inside the ( ) first. Here, the parentheses indicate multiplication. The notation 3(6 –2) means 3 · (6 – 2). Subtract 6 – 2. 7 + 3 (6 – 2) – 6 Multiply 3 · 4. 7 + 3(4) – 6 Add and subtract the numbers in order from left to right. 7 + 12 – 6 19 – 6 = 13 Example: 3 + 23 + 3(15 ÷3) – 2 + 1 The expression contains parentheses ( plify the exponent.

When the expression is written as 2b, it means 2 times b. Multiply 2 · 4. Example: Evaluate the expression a 2 + 2b + c when a = 2, b = 3, and c = 7. Substitute 2 for a, 3 for b, and 7 for c. Find the value of 22. Multiply 2 · 3. Add the numbers. Practice Evaluate the algebraic expressions when a = 2, b = –3, c = ᎏ12ᎏ, d = 7, and e = 4. 21. 3a + e 31. c(12a) 22. ac + d 32. c2e + a 23. 4cd 33. d 2 + 7b 24. bd – 3e 34. 5(a + b)2 25. a 3 + ce 35. 6ce + 4a – d 26. 5ab – d 36. 5a 4 27. –ab + 10 37. ba3 + d2 28.

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