Daily Practice · Higher

Daily Practice - Higher

7th September 1996

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

1
Bounds2 marks
A mass is 500 kg, correct to the nearest 10. Write down the lower bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 2^x is drawn. Work out y when x = 5, and write down where the curve crosses the y-axis.
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 144. Work out y when x = 7.
4
Vectors3 marks
a is the column vector (1, 4) and b is (1, -4). Work out 4a - 3b as a column vector.
5
Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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