29–46 ▪ Solving Quadratic Equations Find all real solutions of the equation. 30. х? — Зх — 18 %3D 0 32. 10x + 9x – 7 = 0 29. x² – 8x + 12 = 0 31. x² + 8x – 20 = 0 %3D 33. 2x² + x – 3 = 0 34. 3x? + 7x + 4 = 0 -35. Зх? + 6х -5 %3D 0 36. х2 — бх +1%3D 0 37. x² - x + = 0 38. 2r² + 3x – = 0 39. 4x2 + 16х- 9 3D 0 40. 0 = x² – 4x + 1 .41. w² = 3(w – 1) 42. 3 + 5z + z² = 0 43. 10y? — 16у +5 %3D 0 44. 25x² + 70x + 49 = 0 45. 3x? + 2x + 2 = 0 46. 5x² – 7x + 5 = 0
29–46 ▪ Solving Quadratic Equations Find all real solutions of the equation. 30. х? — Зх — 18 %3D 0 32. 10x + 9x – 7 = 0 29. x² – 8x + 12 = 0 31. x² + 8x – 20 = 0 %3D 33. 2x² + x – 3 = 0 34. 3x? + 7x + 4 = 0 -35. Зх? + 6х -5 %3D 0 36. х2 — бх +1%3D 0 37. x² - x + = 0 38. 2r² + 3x – = 0 39. 4x2 + 16х- 9 3D 0 40. 0 = x² – 4x + 1 .41. w² = 3(w – 1) 42. 3 + 5z + z² = 0 43. 10y? — 16у +5 %3D 0 44. 25x² + 70x + 49 = 0 45. 3x? + 2x + 2 = 0 46. 5x² – 7x + 5 = 0
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 28RE
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