Daily Practice

Higher Plus

24th January 1975

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 2.5, one 25 units wide with density 1.4. How many values in total?
2
Surds3 marks
Rationalise the denominator of 12/sqrt(3), giving your answer in its simplest form.
3
Algebraic Fractions3 marks
Write 3/(x - 2) + 3/(x - 6) as a single fraction.
4
Velocity Time Graphs2 marks
On a velocity-time graph a car speeds up in a straight line from 2 m/s to 12 m/s over 5 seconds. Work out the acceleration.
5
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 3a + 3b and vector RS = 9a + 9b. What does this show about PQ and RS?

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