Daily Practice · Higher

Daily Practice - Higher

6th June 1992

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
2
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 5x + 10, work out y when x = -3.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 12. Work out y when x = 8.
4
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 7 cm and angle 30°. Work out its area, to 1 decimal place.
5
Conditional Probability3 marks
26 students study Spanish and 9 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.

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