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Grade 8hard

Grade 8 Linear Equations

Practice graphing linear equations for eighth grade. Find points, identify slope and intercepts, and write equations from graphs.

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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.y = 2x + 1. Y-value when x = 3?
  2. 2.y = -x + 5. Y-value when x = 2?
  3. 3.y = 3x - 2. X-value when y = 7?
  4. 4.y = 2x + 1. Slope is?
  5. 5.y = -3x + 4. Y-intercept is?
  6. 6.y = x - 3. Y-value when x = 5?
  7. 7.y = -2x + 6. X-value when y = 0?
  8. 8.Line through (0,3) with slope 2. Equation?
  9. 9.y = 4x. Y-value when x = -2?
  10. 10.y = -x. Y-value when x = 4?
  11. 11.y = 2x - 5. X-intercept is?
  12. 12.y = 3x + 6. Y-intercept is?
  13. 13.Line through (0,-2) with slope 3. Equation?
  14. 14.y = -2x + 8. X-value when y = 4?
  15. 15.y = 5x - 10. Y-value when x = 3?
  16. 16.y = x + 4. Slope is?
  17. 17.y = -4x + 12. X-intercept is?
  18. 18.Line through (0,5) with slope -1. Equation?
  19. 19.y = 2x + 4. Is (3,10) on the line?
  20. 20.y = 3x - 1. Is (2,5) on the line?
Show answer key
  1. 1.y = 2x + 1. Y-value when x = 3? Answer: 7
  2. 2.y = -x + 5. Y-value when x = 2? Answer: 3
  3. 3.y = 3x - 2. X-value when y = 7? Answer: 3
  4. 4.y = 2x + 1. Slope is? Answer: 2
  5. 5.y = -3x + 4. Y-intercept is? Answer: 4
  6. 6.y = x - 3. Y-value when x = 5? Answer: 2
  7. 7.y = -2x + 6. X-value when y = 0? Answer: 3
  8. 8.Line through (0,3) with slope 2. Equation? Answer: y = 2x + 3
  9. 9.y = 4x. Y-value when x = -2? Answer: -8
  10. 10.y = -x. Y-value when x = 4? Answer: -4
  11. 11.y = 2x - 5. X-intercept is? Answer: 2.5
  12. 12.y = 3x + 6. Y-intercept is? Answer: 6
  13. 13.Line through (0,-2) with slope 3. Equation? Answer: y = 3x - 2
  14. 14.y = -2x + 8. X-value when y = 4? Answer: 2
  15. 15.y = 5x - 10. Y-value when x = 3? Answer: 5
  16. 16.y = x + 4. Slope is? Answer: 1
  17. 17.y = -4x + 12. X-intercept is? Answer: 3
  18. 18.Line through (0,5) with slope -1. Equation? Answer: y = -x + 5
  19. 19.y = 2x + 4. Is (3,10) on the line? Answer: Yes
  20. 20.y = 3x - 1. Is (2,5) on the line? Answer: Yes

About This Practice

This practice set includes 20 linear graphing problems. Graphing lines is fundamental for understanding linear relationships.

Want more practice? See all Grade 8 practice →