# Algebra 2, Student Edition by McGraw-Hill Education

By McGraw-Hill Education

This system scholars want; the focal point lecturers wish! Glencoe Algebra 2 is a key software in our vertically aligned highschool arithmetic sequence built to assist all scholars in achieving a greater realizing of arithmetic and increase their arithmetic rankings on today’s high-stakes checks.

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**Sample text**

28. If 5 + b = 13, then b = 8. 29. If 2x = 3d and 3d = -4, then 2x = -4. 30. If y - 2 = -8, then 3(y - 2) = 3(8). Solve each equation. Check your solution. 31. 2p = 14 32. -14 + n = -6 33. 7a - 3a + 2a - a = 16 34. x + 9x - 6x + 4x = 20 35. 27 = -9(y + 5) + 6(y + 8) 36. -7(p + 7) + 3(p - 4) = -17 Solve each equation or formula for the specified variable. -b 38. x = _ , for a 37. d = rt, for r 1 2 πr h, for h 39. V = _ 3 2a 1 40. A = _ h(a + b), for b 2 13 , what is the value of 3a - 3? 41. If 3a + 1 = _ 3 Lesson 1-3 Solving Equations 23 For Exercises 42 and 43, define a variable, write an equation, and solve the problem.

Lesson 1-3) Name the sets of numbers to which each number belongs. (Lesson 1-2) 8. 5 9. √100 Name the property illustrated by each equation. (Lesson 1-2) A 50 C 150 B 100 D 151 23. GEOMETRY Use the information in the figure to find the value of x. Then state the degree measures of the three angles of the triangle. (Lesson 1-3) 10. bc + (-bc) = 0 ÎXÊÊÓ® ( 7 )( 4 ) 4 3 =1 11. _ 1_ XÊÊ® ÓXÊÊ£® 12. 3 + (x - 1) = (3 + x) + (-1) Solve each equation. Check your solutions. Name the additive inverse and multiplicative inverse for each number.

5. Simplify 3(4x - 2y) - 2(3x + y). 14 Chapter 1 Equations and Inequalities Amy C. Etra/PhotoEdit Example 1 (p. 12) Example 2 (p. 13) Name the sets of numbers to which each number belongs. 1. -4 Name the property illustrated by each question. 2 _ 4. _ · 3 =1 3 Example 3 (p. 13) Example 4 (p. 14) Example 5 (p. 14) −− 3. 23 2. 45 5. (a + 4) + 2 = a + (4 + 2) 6. 4x + 0 = 4x 2 Identify the additive inverse and multiplicative inverse for each number. 1 8. _ 7. -8 9. 5 3 FUND-RAISING For Exercises 10 and 11, use the table.