FreeMath
Grade 8hard

Grade 8 Linear Equations

Practice grade 8 linear equations focusing on slope and y-intercept. Eighth grade introduces the slope-intercept form of linear equations.

Loading...

All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

  1. 1.What is the slope of the line y = 3x + 5?
  2. 2.What is the y-intercept of y = 2x - 7?
  3. 3.Find the slope of the line passing through (2, 5) and (4, 9).
  4. 4.Find the slope of the line passing through (1, 3) and (5, 11).
  5. 5.What is the slope of y = -4x + 2?
  6. 6.What is the y-intercept of y = 5x + 8?
  7. 7.Find the slope of the line passing through (0, 4) and (3, 10).
  8. 8.Find the slope of the line passing through (-2, 1) and (2, 9).
  9. 9.What is the slope of y = (1/2)x + 3?
  10. 10.What is the y-intercept of y = -3x - 4?
  11. 11.Find the slope of the line passing through (3, 7) and (6, 16).
  12. 12.Find the slope of the line passing through (-1, 4) and (3, -4).
  13. 13.What is the slope of y = -2x?
  14. 14.What is the y-intercept of y = x + 9?
  15. 15.Find the slope of the line passing through (2, 8) and (5, 17).
  16. 16.Find the slope of the line passing through (0, 0) and (4, 12).
  17. 17.What is the slope of y = 4x - 1?
  18. 18.What is the y-intercept of y = (2/3)x + 6?
  19. 19.Find the slope of the line passing through (-3, -5) and (1, 7).
  20. 20.Find the slope of the line passing through (2, 1) and (6, 1).
Show answer key
  1. 1.What is the slope of the line y = 3x + 5? Answer: 3
  2. 2.What is the y-intercept of y = 2x - 7? Answer: -7
  3. 3.Find the slope of the line passing through (2, 5) and (4, 9). Answer: 2
  4. 4.Find the slope of the line passing through (1, 3) and (5, 11). Answer: 2
  5. 5.What is the slope of y = -4x + 2? Answer: -4
  6. 6.What is the y-intercept of y = 5x + 8? Answer: 8
  7. 7.Find the slope of the line passing through (0, 4) and (3, 10). Answer: 2
  8. 8.Find the slope of the line passing through (-2, 1) and (2, 9). Answer: 2
  9. 9.What is the slope of y = (1/2)x + 3? Answer: 0.5
  10. 10.What is the y-intercept of y = -3x - 4? Answer: -4
  11. 11.Find the slope of the line passing through (3, 7) and (6, 16). Answer: 3
  12. 12.Find the slope of the line passing through (-1, 4) and (3, -4). Answer: -2
  13. 13.What is the slope of y = -2x? Answer: -2
  14. 14.What is the y-intercept of y = x + 9? Answer: 9
  15. 15.Find the slope of the line passing through (2, 8) and (5, 17). Answer: 3
  16. 16.Find the slope of the line passing through (0, 0) and (4, 12). Answer: 3
  17. 17.What is the slope of y = 4x - 1? Answer: 4
  18. 18.What is the y-intercept of y = (2/3)x + 6? Answer: 6
  19. 19.Find the slope of the line passing through (-3, -5) and (1, 7). Answer: 3
  20. 20.Find the slope of the line passing through (2, 1) and (6, 1). Answer: 0

About This Practice

This practice set includes 20 problems on finding slope and y-intercept. Understanding linear relationships is fundamental for algebra, geometry, and data analysis.

Want more practice? See all Grade 8 practice →