Daily Practice

Higher Plus

6th April 1984

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 1.5, one 20 units wide with density 3. How many values in total?
2
Surds3 marks
Rationalise the denominator of 10/sqrt(5), giving your answer in its simplest form.
3
Rearranging Harder Formulae3 marks
Make x the subject of 6x + 7 = y(x + 7).
4
Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 3 m/s to 19 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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