In Exercises 53–56, graph the three equations together and determine the number of solutions (exactly one, none, or infinitely many). If there is exactly one solution, estimate the solution.
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Finite Mathematics & Its Applications (12th Edition)
- In Exercises 59–64, solve and check each linear equation. 59. 2x – 5 = 7 60. 5x + 20 = 3x 61. 7(x – 4) = x + 2 62. 1 - 2(6 – x) = 3x + 2 63. 2(x – 4) + 3(x + 5) = 2x – 2 64. 2x 4(5x + 1) = 3x + 17arrow_forwardFor Exercises 9–10, determine if the equation is linear or nonlinear. If the equation is linear, find the solution set. −2x = 8arrow_forwardIn Exercises 23–25, solve each equation. If the solution set is Ø or (-0, ), classify the equation as an inconsistent equation or an identity. 23. 3(2x – 4) = 9 – 3(x + 1) 2x 24. x - 4 x + 1 4 2 4 25. 3(x – 4) + x = 2(6 + 2x)arrow_forward
- For Exercises 41–54, write the equation in the form (x – h + (y – k)' = c. Then if the equation represents a circle, identify the center and radius. If the equation represents a degenerate case, give the solution set. (See Examples 3-4) 41. x + y? - + 6x – 2y + 6 = 0 42. x + y + 12x – 14y + 84 = 0 43. x + y 22x + 6y + 129 = 0 44. x + y? - 10x + 4y – 20 = 0 45. x + y - 20y – 4 = 0 46. x + y + 22x – 4 = 0 47. 10x + 10y² – 80x + 200y + 920 = 0 (Hint: Divide by 10 to make the x and y2 term coefficients equal to 1.) 48. 2x + 2y? 32x + 12y + 90 = 0 49. x + y? – 4x – 18y + 89 = 0 50. x + y - 10x – 22y + 155 = 0 51. 4x? + 4y 20y + 25 = 0 52. 4x + 4y? 12x + 9 = 0 53. x + y - x - 3 3 -y - 54. x + v? 2 = 0 = 0 9. -X - 2 4 3 3arrow_forwardExercises 43–52: Complete the following. (a) Solve the equation symbolically. (b) Classify the equation as a contradiction, an identity, or a conditional equation. 43. 5x - 1 = 5x + 4 44. 7- 9: = 2(3 – 42) – z 45. 3(x - 1) = 5 46. 22 = -2(2x + 1.4) 47. 0.5(x – 2) + 5 = 0.5x + 4 48. 눈x-2(x-1)3-x + 2 2x + 1 2x 49. 50. x – 1.5 2- 3r - 1.5 51. -6 52. 0.5 (3x - 1) + 0.5x = 2x – 0.5arrow_forwardPLEASE SHOW ALL THE STEPS OF THE SOLUTION ,, THANK YOUarrow_forward
- You may find it helpful to review the information in the Reasonable Answers box from this section before answering Exercises 13–16. Verify that the solutions you found to Exercise 9 are indeed homogeneous solutions.arrow_forward15. Find all solutions of the equationarrow_forwardPlease show the complete solution. Thank you.arrow_forward
- Find the general and particular solution.arrow_forward*There are two solutions to the equation (x – 1)3 – 9 = 0. Find both and enter them below as whole numbers.arrow_forwardExercises 59–66: Use the intersection-of-graphs method to solve the equation. Then solve symbolically. 63. -х + 4 %3D 3хarrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:CengageAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell