Question

1. Complete the following tables by finding a, b, c and d
(ii)
2n - 3
n2
n
6n + 7
In + 18
(iii)
(i)
n
7
2
7.
а
a
6
62
3
18
6
6
co
14
с
с
16
с
d
21
d
35
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Answer 1

Answer:

The third proportional of two numbers a and b is defined to be that number c such that a : b = b : c. So you want to find a number c such that 12 : 18 = 18 : c. That number is 27. If BD = AC, then the 3rd proportional to AB and AC is CE.

Answer 2

Answer:

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