Math 8 · Unit 11: Graphs · Cambridge Lower Secondary Maths Stage 8

Questions

1. 1. Gradient of y = 3x − 2?

   • −2
   • 1
   • 3
   • 3x
   Check

2. 2. y-intercept of y = 3x − 2?

   • −2
   • 2
   • 3
   • 0
   Check

3. 3. Gradient of the line through (1, 2) and (3, 8)?

   • 2
   • ⅓
   • 6
   • 3
   Check

4. 4. Gradient of y = 5 − 2x?

   • −2
   • 5
   • 2
   • −5
   Check

5. 5. Which line is steepest?

   • y = 2x + 5
   • y = 5x + 1
   • y = x + 10
   • y = 0.5x
   Check

6. 6. Which line is parallel to y = 4x + 1?

   • y = 3x + 1
   • y = −4x + 1
   • y = 4x − 3
   • y = x + 4
   Check

7. 7. A line has gradient 2 and crosses the y-axis at 5. Equation?

   • y = 7x
   • y = 2x + 5
   • y = 2x − 5
   • y = 5x + 2
   Check

8. 8. A line going down from left to right has a … gradient.

   • negative
   • zero
   • undefined
   • positive
   Check

9. 9. Gradient of a horizontal line?

   • 1
   • −1
   • 0
   • undefined
   Check

10. 10. Gradient through (0, 4) and (2, 0)?

    • −½
    • −2
    • 4
    • 2
    Check

11. 11. y-intercept of y = 7x?

    • none
    • 7
    • 1
    • 0
    Check

12. 12. Rearrange 2y = 6x + 4. Gradient?

    • 2
    • 4
    • 6
    • 3
    Check

13. 13. Line through (0, −1) with gradient ½. Equation?

    • y = ½x − 1
    • y = −x + ½
    • y = 2x − 1
    • y = ½x + 1
    Check

14. 14. Gradient between (2, 3) and (6, 5)?

    • 2
    • 4
    • ½
    • ⅔
    Check

15. 15. y = 3 − x: gradient and intercept?

    • gradient 3, intercept −1
    • gradient 1, intercept 3
    • gradient −1, intercept 3
    • gradient −1, intercept −3
    Check