Daily Practice · Higher

Daily Practice - Higher

17th October 1993

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Bounds2 marks
A mass is 290 kg, correct to the nearest 10. Write down the upper bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 6^x is drawn. Work out y when x = 3, and write down where the curve crosses the y-axis.
3
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 72. Work out y when x = 12.
4
Vectors3 marks
a is the column vector (-5, -6) and b is (1, 6). Work out 3a - 5b as a column vector.
5
Probability Trees3 marks
8 of 10 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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