1 a On a grid with axes numbered from - 10 to +10 draw a hexagon
ABCDEF with centre (0,0), points A (0,8) and B(7,4) and two lines
of symmetry.
b Write down the coordinates of points C, D, E and F.
2 a On a similar grid to Q.1, draw an octagon PQRSTUVW which
has point P(2, -8), point Q(-6, -8) and point R(-7,-5).
PQ = RS = TU = VW and QR = ST = UV = WP.
b List the coordinates of points S, T, U, V, and W.
c What are the coordinates of the centre of rotational symmetry of the
octagon?
D.. .

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

21/58.

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step-by-step explanation: