Daily Practice

Higher Plus

12th March 1985

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Vectors Proof Questions3 marks
In a vector proof you find that vector PQ = 3a + 3b and vector RS = 12a + 12b. What does this show about PQ and RS?
2
Probability Equation Questions3 marks
The probability of winning a game is 1/10. A player expects 15 wins. How many games did they play?
3
Histograms3 marks
A histogram has two bars: one 20 units wide with frequency density 2, one 10 units wide with density 3.5. How many values in total?
4
Surds3 marks
Expand and simplify (4 + sqrt(2))(4 - sqrt(2)).
5
Rearranging Harder Formulae3 marks
Make x the subject of 3x + 8 = y(x + 8).

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