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

Questions

1. 1. On a distance–time graph, a horizontal line means …

   • stopped
   • going fast
   • going back
   • speeding up
   Check

2. 2. On a distance–time graph, a steeper line means …

   • slower
   • further away
   • faster
   • stopped
   Check

3. 3. A line rises 30 km in 30 minutes. Speed?

   • 60 km/h
   • 1 km/h
   • 90 km/h
   • 30 km/h
   Check

4. 4. The conversion graph changes miles into kilometres. How many kilometres is 25 miles?

   • 50 km
   • 40 km
   • 41 km
   • 32 km
   Check

5. 5. A line going down on a distance-from-home graph means …

   • stopped
   • going faster away
   • going uphill
   • travelling back towards home
   Check

6. 6. A taxi charges $3 plus $2 per km. Graph intercept?

   • $3
   • $2
   • $0
   • $5
   Check

7. 7. A taxi charges $3 plus $2 per km. Graph gradient?

   • 1
   • 5
   • 3
   • 2
   Check

8. 8. Water fills a tank at a steady rate. The depth–time graph is …

   • horizontal
   • a zigzag
   • a straight line
   • a curve
   Check

9. 9. The graph shows a cyclist's journey. How far does the cyclist go altogether?

   • 6 km
   • 24 km
   • 12 km
   • 18 km
   Check

10. 10. The graph shows a cyclist's journey. How long is the whole journey?

    • 1.5 hours
    • 2.5 hours
    • 2 hours
    • 1 hour
    Check

11. 11. A graph of temperature against time rises steeply then levels off. The temperature …

    • fell then rose
    • stayed the same then rose
    • rose slowly all the time
    • rose quickly then stayed about the same
    Check

12. 12. On a conversion graph, $1 = 25 000 dong. How many dong for $4?

    • 100 000
    • 1 000 000
    • 10 000
    • 25 004
    Check

13. 13. The distance–time graph shows a car journey at a steady speed. What is the speed?

    • 4 km/h
    • 200 km/h
    • 800 km/h
    • 50 km/h
    Check

14. 14. A phone's battery % falls in a straight line from 100 to 40 over 3 hours. Rate?

    • 20% per hour
    • 40% per hour
    • 60% per hour
    • 3% per hour
    Check