exam
Maths Puzzle
Numerical Ability
The length of a rectangle is 9 centimeters more than half the width. Find the length if they perimeter is 60 centimeters.
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Factor.
a^2 + 16a + 64
#1 Here is the question from the book:
Draw the graph y=x² for -4 < x <4, taking 1cm to represent 1 unit on each axis. Use your graph to find: (a) square root of 6.2 (b) (-3.6)