Daily Practice

Higher Plus

19th May 1953

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 2, one 25 units wide with density 3. How many values in total?
2
Surds3 marks
Expand and simplify (6 + sqrt(10))(6 - sqrt(10)).
3
Transforming Graphs y=f(x)3 marks
The point (-1, 2) lies on y = f(x). Write down its image on y = f(-x).
4
Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 0 m/s to 16 m/s over 8 seconds. Work out the acceleration.
5
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 4a - b and vector RS = 20a - 5b. What does this show about PQ and RS?

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