Daily Practice

Higher

4th May 1979

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

1
Bounds2 marks
A mass is 15.9 kg, correct to 1 decimal place. Write down the lower bound.
2
Trigonometric and Exponential Graphs2 marks
The curve y = 3^x is drawn. Work out y when x = 5, and write down where the curve crosses the y-axis.
3
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 8. Work out y when x = 13.
4
Vectors3 marks
a is the column vector (3, -2) and b is (-3, 3). Work out 2a - 3b as a column vector.
5
Probability Trees3 marks
1 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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